{"title":"ESP32 Kits","description":"\u003cp\u003eWi-Fi and Bluetooth on a single low-cost chip — the ESP32 is the workhorse of modern IoT. This collection covers connected builds: smart-home automation, sensor nodes that report to the cloud, dashboards, and battery-powered devices that run for months.\u003c\/p\u003e\u003cp\u003eEach kit pairs an ESP32 board with the sensors, power, and guide you need, pre-tested so the Wi-Fi just connects. Great for anyone moving from offline Arduino projects to \u003cstrong\u003econnected\u003c\/strong\u003e ones.\u003c\/p\u003e\u003cp\u003eFast shipping across India with Cash on Delivery and a GST invoice on every order.\u003c\/p\u003e","products":[{"product_id":"esp32-cam-mb-programmer-module-with-micro-usb-ch340g-plug-play","title":"ESP32-CAM-MB Programmer Module with Micro USB – CH340G, Plug \u0026 Play","description":"\u003ch1\u003eESP32-CAM-MB Programmer Module with Micro USB – CH340G\u003c\/h1\u003e\u003cp\u003eThe ESP32-CAM-MB is a dedicated USB programming tool for the ESP32-CAM board. It eliminates the need for an external USB-to-UART converter, making firmware uploads quick and reliable. With onboard reset and boot buttons, it simplifies development and debugging.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eChipset\u003c\/td\u003e\n\u003ctd\u003eCH340G USB-to-UART\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Port\u003c\/td\u003e\n\u003ctd\u003eMicro USB (5V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Interface\u003c\/td\u003e\n\u003ctd\u003eESP32-CAM header (compatible)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eReset Button\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBoot Button\u003c\/td\u003e\n\u003ctd\u003eYes (for flash mode)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 50mm x 25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kit-home-security-motion-sensor-kit-with-esp32\"\u003eHome security camera with motion detection\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kit-wildlife-camera-trap-kit-with-raspberry-pi-5-plus-camera\"\u003eWildlife monitoring camera trap\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kit-face-recognition-access-control-system\"\u003eFace recognition access control system\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eTimelapse photography rig\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eThis programmer is designed specifically for the ESP32-CAM development board with matching pin headers. It operates at 5V via micro USB and provides 3.3V logic level signals, making it safe for the ESP32 module. Some compatible boards include AI-Thinker ESP32-CAM, ESP-EYE, and other clones with the same pinout.\u003c\/p\u003e\u003ch2\u003eWiring Notes\u003c\/h2\u003e\u003cp\u003eSimply align the header pins of the ESP32-CAM onto the programmer, ensuring the reset button faces outward. No external wiring needed; the board stacks directly. For first-time flashing, hold the boot button while connecting USB, then release.\u003c\/p\u003e\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, the CH340G chip works with Arduino IDE on Windows, macOS, and Linux after installing appropriate drivers. Select 'AI Thinker ESP32-CAM' board in settings.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes it include the ESP32-CAM camera module?\u003c\/summary\u003e\u003cp\u003eNo, this is only the programmer board. The ESP32-CAM module with camera is sold separately.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I use this to power the ESP32-CAM long-term?\u003c\/summary\u003e\u003cp\u003eYes, the micro USB input provides 5V which is regulated to 3.3V for the ESP32-CAM. However, for continuous operation with high current WiFi use, ensure your USB source can supply at least 500mA.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444944068973,"sku":"CDN-0004","price":95.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1.jpg?v=1781512065"},{"product_id":"expansion-board-for-esp32-c3-super-mini-breakout-module","title":"Expansion Board for ESP32-C3 Super Mini - Breakout Module","description":"\u003ch1\u003eExpansion Board for ESP32-C3 Super Mini – USB-C \u0026amp; LiPo Charger\u003c\/h1\u003e\n\n\u003cp\u003eThe expansion board for the ESP32-C3 Super Mini provides a convenient breakout for all GPIO pins, adds a USB-C port for programming and power, and includes an onboard LiPo battery charging circuit. Ideal for rapid prototyping and battery-powered IoT projects.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBoard Compatibility\u003c\/td\u003e\n\u003ctd\u003eESP32-C3 Super Mini\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eUSB Port\u003c\/td\u003e\n\u003ctd\u003eUSB-C (female)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePin Header\u003c\/td\u003e\n\u003ctd\u003e2.54mm standard pitch, all GPIOs\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBattery Support\u003c\/td\u003e\n\u003ctd\u003eLiPo 3.7V via JST PH connector, TP4056 charging\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVoltage Regulator\u003c\/td\u003e\n\u003ctd\u003e5V to 3.3V LDO, max 500mA output\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e52mm x 28mm x 5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003ePortable environmental sensor with BME280 and LiPo battery\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-hc-05-bluetooth-led-control\"\u003eBluetooth-controlled LED wearable using WS2812s\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eIoT smart switch with Wi-Fi control and relay module\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-cold-chain-temperature-data-logger\"\u003eLow-power data logger for temperature and humidity monitoring\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eDesigned specifically for the ESP32-C3 Super Mini board. Compatible with Arduino IDE, MicroPython, and ESP-IDF. Easily pair with I2C sensors like OLED displays, SPI devices, and standard 3.3V peripherals.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eAlign the ESP32-C3 Super Mini's castellated pads with the expansion board's spring pins and press firmly; no soldering required. The USB-C port should face outward. Connect a 3.7V LiPo battery to the JST PH port observing correct polarity. The board includes power LEDs and a charge indicator.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, the ESP32-C3 Super Mini is supported in Arduino IDE. Install the ESP32 board package and select the 'ESP32C3 Dev Module' board.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it include the ESP32-C3 Super Mini board?\u003c\/summary\u003e\u003cp\u003eNo, this is only the expansion board. The ESP32-C3 Super Mini must be purchased separately.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat battery connector does it use?\u003c\/summary\u003e\u003cp\u003eIt uses a standard 2-pin JST PH connector for 3.7V LiPo batteries. Ensure proper polarity before connecting.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444944134509,"sku":"CDN-0001","price":330.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_2.jpg?v=1781512068"},{"product_id":"wt32-eth01-evo-esp32-ethernet-development-board","title":"WT32-ETH01 EVO ESP32 Ethernet Development Board","description":"\u003ch1\u003eWT32-ETH01 EVO ESP32 Ethernet Development Board with PoE\u003c\/h1\u003e\u003cp\u003eThe WT32-ETH01 EVO is an ESP32 development board that integrates 10\/100M Ethernet, WiFi, and BLE into a compact form factor. It is designed for IoT applications requiring reliable wired network connectivity, combining the flexibility of wireless with the stability of Ethernet. The board simplifies building connected devices for home automation, industrial monitoring, and smart gadgets.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32-D0WDQ6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEthernet\u003c\/td\u003e\n\u003ctd\u003e10\/100 Mbps RJ45 with PoE support (optional module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiFi\u003c\/td\u003e\n\u003ctd\u003e802.11 b\/g\/n (2.4 GHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eBLE 4.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e4 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Power\u003c\/td\u003e\n\u003ctd\u003e5 V via micro USB or PoE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eIoT temperature and humidity logger with cloud dashboard\u003c\/li\u003e\n\u003cli\u003eEthernet-connected smart relay for home automation\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kit-modbus-tcp-industrial-gateway\"\u003eIndustrial sensor node with Modbus TCP communication\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eNetworked LED display or status indicator\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eThe WT32-ETH01 EVO works with Arduino IDE, ESP-IDF, and MicroPython. It pairs seamlessly with common sensors, actuators, and can bridge WiFi to Ethernet networks. The board operates at 3.3 V logic, so use level shifters for 5 V components.\u003c\/p\u003e\u003ch2\u003eWiring Notes\u003c\/h2\u003e\u003cp\u003ePower via micro USB (5 V) or through the RJ45 jack with an external PoE module. Connect Ethernet cable directly to your router or switch. GPIO pins are limited; avoid drawing more than 12 mA per pin. The onboard LED is on GPIO2.\u003c\/p\u003e\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, the WT32-ETH01 EVO can be programmed using the Arduino IDE with the ESP32 board package. Select the \"ESP32 Dev Module\" board setting.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I power this board using Power over Ethernet (PoE)?\u003c\/summary\u003e\u003cp\u003eThe board supports PoE with an optional PoE module connected to the Ethernet jack. It can also be powered via the micro USB port.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat WiFi range can I expect from this board?\u003c\/summary\u003e\u003cp\u003eThe onboard PCB antenna provides a typical indoor range of up to 30 meters, depending on obstacles and interference.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444944396653,"sku":"CDN-0003","price":1650.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_1a5cfd40-a2d1-40b8-bc6d-2f263a7b803d.jpg?v=1781512072"},{"product_id":"esp32-c6-wroom-1-n8-microcontroller-board-with-wi-fi-6-ble-5","title":"ESP32-C6-WROOM-1-N8 Microcontroller Board with Wi-Fi 6 \u0026 BLE 5","description":"\u003ch1\u003eESP32-C6-WROOM-1-N8 Development Board with Wi-Fi 6 and BLE 5\u003c\/h1\u003e\n\u003cp\u003eThe ESP32-C6-WROOM-1-N8 is a development board based on the ESP32-C6 chip, featuring a RISC-V processor, Wi-Fi 6 (802.11ax) and Bluetooth 5 (LE) connectivity. It's ideal for IoT applications requiring low-power, high-efficiency wireless communication. With 8MB of flash memory, it can handle complex firmware and OTA updates reliably.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32-C6 (RISC-V 32-bit, up to 160 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWi-Fi\u003c\/td\u003e\n\u003ctd\u003e802.11ax (2.4 GHz, up to 150 Mbps)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eBluetooth 5.0 Low Energy (BLE) \u0026amp; Mesh\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e8 MB (Quad SPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.0V – 3.6V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAntenna\u003c\/td\u003e\n\u003ctd\u003eOn-board PCB antenna\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-arduino-wireless-sensor-mesh\"\u003eLow-power IoT sensor node with Wi-Fi 6 mesh networking\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/esp32-matter-smart-home-kit-temperature-sensor-and-relay-compoden\"\u003eBLE-enabled smart home device with Thread\/Matter support\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eWireless data logger with OTA firmware updates\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/esp32-asset-tracker-kit\"\u003ePortable asset tracker with Bluetooth direction finding\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eWorks with Arduino IDE, ESP-IDF, and MicroPython. Compatible with standard 3.3V sensors, actuators, and expansion boards. Pairs well with ESP32-C6-DevKitC for prototyping.\u003c\/p\u003e\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eUse a 3.3V regulated supply and connect EN pin to 3.3V through a 10kΩ pull-up resistor. For UART programming, connect TX, RX, and GPIO0 to appropriate programmer pins.\u003c\/p\u003e\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino?\u003c\/summary\u003e\u003cp\u003eYes, it's supported via the ESP32 Arduino core, allowing you to use the Arduino IDE with standard libraries.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this support Matter \/ Thread?\u003c\/summary\u003e\u003cp\u003eThe ESP32-C6 supports IEEE 802.15.4, which is the basis for Thread and Matter protocols, enabling development of Matter-compliant devices.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use this for battery-powered projects?\u003c\/summary\u003e\u003cp\u003eYes, the ESP32-C6 features multiple low-power modes, making it suitable for battery operation with proper power management.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444944658797,"sku":"CDN-0006","price":1130.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_87af1881-52aa-4af3-bc04-f1dea78a8deb.jpg?v=1781512073"},{"product_id":"geolinker-esp32-gsm-gps-cellular-iot-board-cdn-0005","title":"Geolinker ESP32 GSM \u0026 GPS Cellular IoT Board — CDN-0005","description":"\u003ch1\u003eGeolinker ESP32 GSM \u0026amp; GPS Cellular IoT Development Board — Dual-Core with SIM800L and NEO-6M\u003c\/h1\u003e\n\n\u003cp\u003eThe Geolinker ESP32 GSM \u0026amp; GPS board combines a powerful ESP32 dual-core microcontroller, a SIM800L GSM\/GPRS module, and a NEO-6M GPS receiver on a single PCB. It’s purpose-built for cellular IoT projects that need location tracking, remote data logging, or SMS-based control. With Wi‑Fi, Bluetooth, and quad‑band 2G connectivity, you get flexible communication options in a compact, module-friendly form factor.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32 dual-core 240 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGSM\/GPRS Module\u003c\/td\u003e\n\u003ctd\u003eSIM800L quad-band 850\/900\/1800\/1900 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGPS Module\u003c\/td\u003e\n\u003ctd\u003eNEO-6M with active antenna support\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5 V via USB-C or 3.7–4.2 V Li-ion battery\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eI\/O Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3 V logic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlash \/ RAM\u003c\/td\u003e\n\u003ctd\u003e4 MB Flash, 520 KB SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eReal‑time vehicle tracking system with live coordinates over GPRS\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003eRemote weather station that sends SMS alerts for rain or wind thresholds\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/esp32-asset-tracker-kit\"\u003eBattery‑powered asset tracker with geofencing and cloud logging\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eSMS‑controlled farm irrigation pump with GPS field mapping\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThe board works with Arduino IDE, PlatformIO, and MicroPython. Full compatibility with TinyGSM, TinyGPS++, and PubSubClient libraries makes it easy to connect to MQTT brokers or HTTP APIs. It pairs seamlessly with any 3.3 V sensors, relays, or displays you already own.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect a 3.7 V Li‑ion battery to the JST‑PH socket or power via USB‑C. The SIM800L draws up to 2 A peaks; use a battery capable of 2C discharge or a 5 V \/ 2.4 A USB supply. Screw on the included GSM and GPS antennas and insert an active 2G SIM card (not included) before powering up.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes. Install the ESP32 board package and select “ESP32 Dev Module” from the board manager. The GSM and GPS modules work with standard SoftwareSerial or HardwareSerial libraries.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat SIM card do I need?\u003c\/summary\u003e\u003cp\u003eAny active 2G SIM with SMS and data plan works. In India, Airtel and Vodafone Idea still support 2G; Jio does not. Use a nano‑to‑micro adapter if necessary.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the GPS work indoors?\u003c\/summary\u003e\u003cp\u003eDirect line‑of‑sight to satellites is required. Indoor use typically fails. Place the GPS antenna near a window or outside for a reliable fix.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444944691565,"sku":"CDN-0005","price":2580.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_62699119-4a23-4d9a-8381-07c7d9288863.jpg?v=1781512076"},{"product_id":"ai-thinker-nodemcu-32s-esp32-dev-board-ipex-wi-fi-ble","title":"Ai-Thinker NodeMCU-32S ESP32 Dev Board (IPEX) – Wi-Fi BLE","description":"\u003ch1\u003eAi-Thinker NodeMCU-32S ESP32 Development Board (IPEX Version)\u003c\/h1\u003e\n\u003cp\u003eThe NodeMCU-32S by Ai-Thinker is an ESP32-based development board with an IPEX antenna connector for external antenna support, offering improved range and signal quality over PCB antenna variants. It integrates Wi-Fi 802.11 b\/g\/n and Bluetooth 4.2\/BLE on a breadboard-friendly module with USB-to-serial programming. Designed for IoT and wireless prototyping, this board delivers dual-core processing at up to 240 MHz, 4MB flash, and extensive GPIO for sensor and actuator projects.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32-D0WDQ6 (dual-core Xtensa LX6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003ctd\u003e520 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash\u003c\/td\u003e\n\u003ctd\u003e4 MB (external SPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eWi-Fi 802.11 b\/g\/n (2.4 GHz), Bluetooth 4.2\/BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAntenna\u003c\/td\u003e\n\u003ctd\u003eIPEX connector (external antenna); on-board ceramic antenna also available\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V logic; 5V via micro USB or Vin pin\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003eWi-Fi weather station uploading data to cloud services\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eBluetooth proximity beacon for indoor positioning\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kit-home-automation-mqtt-hub\"\u003eHome automation hub controlling relays via MQTT\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kit-sd-card-data-logger\"\u003ePortable data logger with SD card and sensor shield\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eFully compatible with Arduino IDE and MicroPython firmware. The board works with any 3.3V-level I2C, SPI, or UART peripherals. It pairs easily with common sensors like DHT22, BME280, or ultrasonic modules. The on-board USB-to-serial (CP2102) allows direct programming from any computer.\u003c\/p\u003e\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003ePower the board via micro-USB (5V) or apply 5–12V to the Vin pin (onboard regulator provides 3.3V). All GPIOs operate at 3.3V—do not exceed this level to avoid damage. The EN pin is pulled high; connect to GND to reset. For the IPEX connector, attach an appropriate 2.4 GHz external antenna for extended range.\u003c\/p\u003e\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, install the ESP32 board package via Boards Manager, then select \"NodeMCU-32S\" as the board. No extra configuration needed.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I need an external antenna for this IPEX version?\u003c\/summary\u003e\u003cp\u003eAn external antenna is recommended for better range, but the board has a small on-board ceramic antenna that works without one for short-range prototyping.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I power it with a 9V battery?\u003c\/summary\u003e\u003cp\u003eYes, connect a 9V battery to the Vin pin (accepts 5–12V). The onboard regulator provides the necessary 3.3V for the ESP32.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444944757101,"sku":"CDN-0009","price":960.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_b12a10f6-89e5-4c56-937d-09fcda8430ef.jpg?v=1781512079"},{"product_id":"4-channel-relay-board-for-esp32-30-pin-5v-control","title":"4 Channel Relay Board for ESP32 30-Pin, 5V Control","description":"\u003ch1\u003e4 Channel Relay Board for ESP32 30-Pin (5V, Optocoupler Isolation)\u003c\/h1\u003e\n\n\u003cp\u003eThe 4 Channel Relay Board is a dedicated expansion for ESP32 30-pin development boards, enabling control of high‑voltage AC or DC loads from 3.3V logic signals. Each of the four electromechanical relays is driven through an optocoupler, providing galvanic isolation between the microcontroller and the switching circuit. The board handles up to 10A per channel, making it suitable for home automation, industrial control, and IoT prototypes.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eNumber of channels\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRelay type\u003c\/td\u003e\n\u003ctd\u003eSRD-05VDC (or equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCoil voltage\u003c\/td\u003e\n\u003ctd\u003e5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMax switching capacity\u003c\/td\u003e\n\u003ctd\u003e10 A @ 250 V AC \/ 10 A @ 30 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInput signal\u003c\/td\u003e\n\u003ctd\u003eLow‑level trigger (active LOW), 3.3‑5 V compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eOptocoupler isolation per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatible boards\u003c\/td\u003e\n\u003ctd\u003eESP32 DevKit 30‑pin (fits directly); any 3.3‑5 V MCU with jumper wires\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 70 mm × 55 mm × 20 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHome automation system to control lights, fans, or appliances via Wi‑Fi using an ESP32.\u003c\/li\u003e\n  \u003cli\u003eIoT‑enabled power outlet that toggles high‑power devices remotely from a smartphone.\u003c\/li\u003e\n  \u003cli\u003eMotor or pump controller for aquaponics, irrigation, or small CNC machines.\u003c\/li\u003e\n  \u003cli\u003eSmart greenhouse with timer‑based switching of heaters, humidifiers, or grow lights.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis board is designed to stack directly onto ESP32 development boards with 30 pins (the standard ESP32 DevKit V1 form factor). The relay inputs accept 3.3 V logic from the ESP32 GPIOs, and the board uses a separate 5 V supply for the relay coils—typically derived from the ESP32’s VIN pin when powered via USB, or an external 5 V source. It can also interface with Arduino, Raspberry Pi, or other microcontrollers using jumper wires, thanks to the low‑level trigger and optocoupler protection.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect VCC to a 5 V power source and GND to common ground. The IN1–IN4 pins go directly to any available ESP32 GPIOs. Because the relays are active LOW, setting a GPIO LOW energises the relay; HIGH turns it off. If your ESP32 board provides a 5 V output on the VIN pin, you can power the relay coils from there—just ensure the total current does not exceed the USB port limit. For high‑current applications, use an external 5 V supply and verify the jumper position on the JD‑VCC pin block.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with ESP32 30‑pin boards?\u003c\/summary\u003e\u003cp\u003eYes, this relay board is specifically designed for the 30‑pin ESP32 DevKit form factor. It aligns with the board’s pin headers and receives 3.3 V signals directly from the GPIOs.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the maximum current and voltage per relay?\u003c\/summary\u003e\u003cp\u003eEach relay can switch up to 10 A at 250 V AC or 10 A at 30 V DC. Always check the load rating and use appropriate fusing for safety.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I need a separate power supply for the relays?\u003c\/summary\u003e\u003cp\u003eIn most cases, you can power the relay coils from the ESP32’s 5 V VIN pin when the board is powered via USB. For heavier loads, an external 5 V supply is recommended to avoid overloading the USB port.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444944789869,"sku":"CDN-0012","price":400.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_f29dc948-b41a-42b1-b720-83dfd2a59373.jpg?v=1781512081"},{"product_id":"esp32-30-pin-gpio-expansion-board-with-usb-type-c","title":"ESP32 30-Pin GPIO Expansion Board with USB Type-C","description":"\u003ch1\u003eESP32 WROOM 30-Pin GPIO Expansion Board with USB Type-C\u003c\/h1\u003e\n\u003cp\u003eThis expansion board breaks out all 30 pins of an ESP32 WROOM module to standard male headers, simplifying prototyping for IoT devices. The integrated USB Type-C port handles power and serial communication, and it is recognized by the Arduino IDE immediately. Ideal for home automation, robotics, and wearable electronics projects.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32 dual-core Xtensa LX6, up to 240 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eWi‑Fi 802.11 b\/g\/n, Bluetooth 4.2 \/ BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e4 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eUSB Interface\u003c\/td\u003e\n\u003ctd\u003eType‑C with CP2102 USB‑to‑UART\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGPIO Pins\u003c\/td\u003e\n\u003ctd\u003e30 (ADC, DAC, touch, SPI, I2C, UART)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3 V logic; 5 V supply via USB\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003eIoT weather station with temperature, humidity, and cloud logging\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eSmart home automation hub controlling relays via WiFi\u003c\/li\u003e\n  \u003cli\u003eBluetooth low‑energy beacon or proximity sensor\u003c\/li\u003e\n  \u003cli\u003eWiFi‑controlled robot with motor drivers and sensor feedback\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis board works with Arduino IDE, MicroPython, and ESP‑IDF. It is pin‑compatible with standard 30‑pin ESP32 DevKit V1 ecosystems. Use it with common peripherals like OLED displays, sensors, and motor drivers. Logic level is 3.3 V; add level shifters for 5 V components.\u003c\/p\u003e\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect a USB‑C cable to supply 5 V and establish serial communication. Avoid drawing more than 500 mA from the 3.3 V pin. For battery‑powered projects, you can feed a regulated 3.7–5 V to the 5V pin.\u003c\/p\u003e\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3‑5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, it appears as a standard ESP32 Dev Module. Install the CP2102 driver and select the correct board in the Arduino IDE.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the board come with the ESP32 module soldered?\u003c\/summary\u003e\u003cp\u003eYes, the ESP32‑WROOM module is pre‑soldered onto the expansion board; no assembly is required.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use it with a breadboard?\u003c\/summary\u003e\u003cp\u003eYes, the 2.54 mm pin headers are breadboard‑friendly. The wide board may occupy most of a standard breadboard, leaving one row accessible on each side.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444944822637,"sku":"CDN-0016","price":140.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_b0c47644-bf39-420c-9baf-baff1111e320.jpg?v=1781512082"},{"product_id":"4-channel-relay-board-for-38-pin-esp32-5v-module-compoden","title":"4 Channel Relay Board for 38-Pin ESP32 5V Module | Compoden","description":"\u003ch1\u003e4-Channel Relay Board for 38-Pin ESP32 — 5V, 10A Load Switching\u003c\/h1\u003e\n\u003cp\u003eThe 4 Channel Relay Board is designed to interface directly with 38-pin ESP32 development boards using 5V logic. It provides four independent relays capable of switching up to 10A at 250VAC, allowing you to control high-power devices from your ESP32 projects. Ideal for home automation, appliance control, and IoT prototyping.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRelay Type\u003c\/td\u003e\n\u003ctd\u003eSRD-05VDC or equivalent\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eControl Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC (coil)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMaximum Switching Load\u003c\/td\u003e\n\u003ctd\u003e10A 250VAC, 10A 30VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003eOptocoupler per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBoard Dimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 75 x 55 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWi-Fi-controlled home appliance switch using ESP32 with Blynk or ESPHome.\u003c\/li\u003e\n  \u003cli\u003eSmart plug for lamps, fans, or heaters with scheduling via MQTT.\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-automated-irrigation-system\"\u003eAutomated irrigation system controlling solenoid valves.\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/esp32-garage-door-opener-kit-auto-open-and-close-via-phone-ble\"\u003eGarage door opener with RFID or smartphone control.\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis board is designed for the 38-pin ESP32 module, connecting directly to its GPIO headers. It can also be used with other 3.3V\/5V microcontrollers such as Arduino Uno or Raspberry Pi GPIOS using jumper wires, but note that the relay coils require a 5V power supply irrespective of the controller's logic level.\u003c\/p\u003e\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect the board's 5V and GND pins to a stable external 5V supply capable of at least 500mA for all relays. The relay inputs are active LOW; set the corresponding ESP32 GPIO pin to LOW to energize the relay. Do not exceed the GPIO sink current limits—the onboard optocouplers handle the coil drive.\u003c\/p\u003e\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino Uno?\u003c\/summary\u003e\u003cp\u003eYes, it can be used with Arduino Uno by connecting the relay input pins to digital outputs and providing a separate 5V supply for the board. The pinout does not plug directly into Arduino headers, so jumper wires are required.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the maximum load each relay can switch?\u003c\/summary\u003e\u003cp\u003eEach relay is rated for up to 10A at 250VAC or 10A at 30VDC. Always verify your load current does not exceed this limit to prevent contact welding or overheating.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I need an external power supply for the relay board?\u003c\/summary\u003e\u003cp\u003eYes, the relay coils require 5V and the ESP32's onboard 5V regulator cannot supply enough current for all four relays. A separate 5V supply (e.g., phone charger) must be connected to the board's power input.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444944888173,"sku":"CDN-0013","price":390.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_a7e73194-476e-43f7-9374-50c556bd580d.jpg?v=1781512083"},{"product_id":"esp32-c3-super-mini-development-board-hw-466ab-wifi-ble-risc-v-board","title":"ESP32-C3 Super Mini Development Board HW-466AB - WiFi BLE RISC-V Board","description":"\u003ch1\u003eESP32-C3 Super Mini Development Board (HW-466AB) – WiFi \u0026amp; BLE RISC-V Board\u003c\/h1\u003e\n\n\u003cp\u003eThe ESP32-C3 Super Mini Development Board HW-466AB is a compact, low-power IoT board built around the ESP32-C3 RISC-V microcontroller. It offers 2.4 GHz Wi-Fi and Bluetooth 5 (LE) connectivity in a tiny form factor, making it ideal for space-constrained projects. With a USB-C port for programming and power, plus multiple GPIO pins, it's perfect for smart home sensors, wearables, and wireless automation.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eChip\u003c\/td\u003e\n\u003ctd\u003eESP32-C3 (RISC-V single-core, 160 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eWi-Fi 802.11b\/g\/n, BLE 5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e4 MB Flash, 400 KB SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGPIO\u003c\/td\u003e\n\u003ctd\u003e12 pins (ADC, SPI, I2C, UART capable)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003ctd\u003eUSB-C (power + programming)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eApprox. 18 x 26 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-esp32-deep-sleep-battery-saver\"\u003eWi-Fi temperature and humidity sensor with deep sleep for battery operation\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eBluetooth low energy beacon for asset tracking or indoor navigation\u003c\/li\u003e\n  \u003cli\u003eWLED controller for addressable LED strips via Wi-Fi\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/esp32-home-assistant-kit-control-4-relays-and-6-sensors\"\u003eWireless switch or button for smart home platforms like Home Assistant\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis board is programmable using Arduino IDE, ESP-IDF, or MicroPython. It works with common sensors and modules over I2C, SPI, and UART, such as BME280, WS2812B LEDs, and SSD1306 OLEDs. Note that all GPIOs operate at 3.3V logic levels; attaching 5V signals may damage the board. Use level shifters if interfacing with 5V peripherals.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003ePower the board via the USB-C port (5V) or by connecting a 3.7V LiPo battery to the VBAT pin. Do not connect 5V directly to any GPIO pin. For I2C devices, external pull-up resistors (typically 4.7kΩ) on SDA and SCL are recommended. GPIO0 and GPIO2 affect boot mode; avoid pulling them low during reset unless you intend to enter programming mode.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, you can program the ESP32-C3 using Arduino IDE by installing the ESP32 board package (use the stable release URL). Select \"ESP32C3 Dev Module\" as the board.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use this board for battery-powered projects?\u003c\/summary\u003e\u003cp\u003eAbsolutely. The ESP32-C3 supports deep sleep with current consumption below 5 µA, making it suitable for battery operation. Connect a 3.7V LiPo cell to the VBAT pin and use an external charger module for recharging.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the board have a built-in antenna?\u003c\/summary\u003e\u003cp\u003eYes, it features an on-board ceramic antenna for Wi-Fi and BLE, so no external antenna is needed. The compact design maintains a small footprint.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444944920941,"sku":"CDN-0017","price":340.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_7cd5834e-d679-43be-b1e9-732c004751c8.jpg?v=1781512086"},{"product_id":"8-channel-5v-relay-shield-for-esp32-30-pin-devkit-v1","title":"8 Channel 5V Relay Shield for ESP32 30 Pin DEVKIT V1","description":"\u003ch1\u003e8 Channel 5V Relay Shield for ESP32 30-Pin DEVKIT V1\u003c\/h1\u003e\n\n\u003cp\u003eThe 8 Channel 5V Relay Board is a plug-and-play shield designed specifically for the ESP32 30-pin DEVKIT V1 development board. It provides eight independent 5V relays, each capable of switching up to 10A at 250VAC or 30VDC, making it perfect for home automation, industrial control, and IoT projects. With onboard optocouplers and driver transistors, it ensures reliable isolation between the ESP32 and high-power circuits.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRelay Type\u003c\/td\u003e\n\u003ctd\u003e5V SPDT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMaximum Switching Load\u003c\/td\u003e\n\u003ctd\u003e10A @ 250VAC \/ 30VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eControl Interface\u003c\/td\u003e\n\u003ctd\u003eDirect stackable header for ESP32 30-pin DEVKIT V1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003ePer-channel optocoupler (PC817 or similar)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eIndicator\u003c\/td\u003e\n\u003ctd\u003eRed LED per relay for status\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHome automation: Control lights, fans, or appliances with your ESP32 via Wi-Fi.\u003c\/li\u003e\n  \u003cli\u003eIoT plant watering system: Switch water pumps and solenoid valves on schedule.\u003c\/li\u003e\n  \u003cli\u003eSmart garage door controller: Automate door open\/close with relay logic.\u003c\/li\u003e\n  \u003cli\u003eIndustrial machine control: Interface with contactors for motor control.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis board is engineered to stack onto ESP32 30-pin DEVKIT V1 boards. It may also work with other ESP32 dev boards that share the same pinout—always verify pin mapping before use. For non-ESP32 setups, the relay inputs can be manually wired to any 5V microcontroller like Arduino Uno or Mega using jumper wires. The relay coils require 5V, so ensure your power source can deliver sufficient current when activating multiple relays.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eStack the shield onto the ESP32 DEVKIT V1, aligning the 30-pin headers. The relays are active LOW: they energize when the corresponding GPIO outputs LOW (0). Each channel has a jumper to assign a GPIO pin. To avoid voltage drops, power the ESP32 via its USB port or an external 5V supply capable of at least 500mA if all relays are driven simultaneously. Always use appropriately rated wires and secure connections at the screw terminals.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with ESP32 38-pin boards?\u003c\/summary\u003e\u003cp\u003eNo, this shield is specifically designed for the 30-pin DEVKIT V1. It will not directly fit 38-pin ESP32 boards due to different pin spacing and header layout.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow much current can each relay handle?\u003c\/summary\u003e\u003cp\u003eEach relay is rated for up to 10A at 250VAC or 30VDC. Do not exceed these ratings to prevent overheating and damage.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I power the relays from the ESP32 5V pin?\u003c\/summary\u003e\u003cp\u003eYes, but if driving all 8 relays simultaneously, the total current draw may exceed the ESP32's onboard 5V regulator capacity. We recommend using an external 5V supply for full load.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444944953709,"sku":"CDN-0015","price":790.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_a9738294-8ef3-4f59-8a71-6f52ad436001.jpg?v=1781512087"},{"product_id":"litewing-esp32-diy-drone-kit-for-makers-and-developers","title":"LiteWing ESP32 DIY Drone Kit for Makers and Developers","description":"\u003ch1\u003eLiteWing ESP32 DIY Drone Kit – Programmable Quadcopter for Makers\u003c\/h1\u003e\n\n\u003cp\u003eThe LiteWing is a complete DIY drone kit built around the ESP32 microcontroller. It gives makers and developers a programmable flight platform that runs Arduino or MicroPython code. All mechanical and electronic parts are included so you can assemble, configure, and fly without hunting for compatible components.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFrame\u003c\/td\u003e\n\u003ctd\u003e210mm carbon fiber, 3mm thick\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMotors\u003c\/td\u003e\n\u003ctd\u003e4 × 2205 2300KV brushless\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESCs\u003c\/td\u003e\n\u003ctd\u003e4 × 30A BLHeli_S (2-4S LiPo)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlight controller\u003c\/td\u003e\n\u003ctd\u003eESP32-WROOM-32 (WiFi \u0026amp; Bluetooth)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePropellers\u003c\/td\u003e\n\u003ctd\u003e4 pairs 5045 tri-blade (CW\/CCW)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRecommended battery\u003c\/td\u003e\n\u003ctd\u003e4S 1300-1500mAh LiPo (not included)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWiFi-controlled FPV drone: add a camera and fly via smartphone over a local network\u003c\/li\u003e\n  \u003cli\u003eProgrammable flight controller: write custom stabilisation code in Arduino or MicroPython\u003c\/li\u003e\n  \u003cli\u003eAutonomous obstacle avoidance: integrate ultrasonic sensors and a GPS module for waypoint navigation\u003c\/li\u003e\n  \u003cli\u003eDrone swarm experiments: use ESP-NOW for inter-drone communication without extra radios\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThe ESP32 flight controller works with the Arduino IDE and MicroPython. It supports MAVLink over WiFi, so you can connect to ground station software like QGroundControl. The frame and power system are standard, fitting most 5-inch drone electronics and third-party accessories.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eSolder the four ESCs to the power distribution board, then connect each motor to an ESC. The ESP32 outputs PWM on GPIOs 12, 13, 14, and 15 for motor signals. Use a 5V regulator to power the ESP32 from the 4S battery and keep signal wires twisted with ground to reduce noise.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino?\u003c\/summary\u003e\u003cp\u003eYes, the ESP32 can be programmed in the Arduino IDE using the ESP32 board package. Example code for motor control and WiFi is available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the kit include a battery or transmitter?\u003c\/summary\u003e\u003cp\u003eNo, you must supply a 4S LiPo battery and use a smartphone\/computer as the controller over WiFi, or add your own RC receiver.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I mount a GPS module?\u003c\/summary\u003e\u003cp\u003eYes, the ESP32 has spare UART and I2C pins. Common GPS units like NEO-6M work directly for position hold and waypoint missions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444945019245,"sku":"CDN-0020","price":3650.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_acabc33d-46b5-4072-9aa5-a0ab34b893de.jpg?v=1781512088"},{"product_id":"litewing-esp32-programmable-drone-dev-board-with-battery","title":"LiteWing ESP32 Programmable Drone Dev Board with Battery","description":"\u003ch1\u003eLiteWing - ESP32-Based Programmable Drone Development Board with Battery\u003c\/h1\u003e\n\u003cp\u003eThe LiteWing is a compact drone development platform built around the powerful ESP32 microcontroller. It includes an integrated battery and motor drivers, making it ready for immediate firmware development and flight testing. Key benefit: jump-start your drone project with a single board that handles processing, power, and motor control.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32-D0WDQ6 (dual-core, 240 MHz, Wi-Fi\/Bluetooth)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003eIntegrated 3.7V 500mAh Li-Po with charging circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMotor Outputs\u003c\/td\u003e\n\u003ctd\u003e4x brushed DC motor drivers (M1-M4)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eIMU\u003c\/td\u003e\n\u003ctd\u003eOnboard MPU6050 (3-axis gyro + accelerometer)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eWi-Fi 802.11 b\/g\/n, Bluetooth 4.2 BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eProgramming Interface\u003c\/td\u003e\n\u003ctd\u003eUSB-C; compatible with Arduino IDE, ESP-IDF, MicroPython\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDIY palm-sized autonomous drone with Wi-Fi control\u003c\/li\u003e\n  \u003cli\u003eSwarm robotics experiment using multiple LiteWings\u003c\/li\u003e\n  \u003cli\u003eProgrammable IoT drone for environmental monitoring\u003c\/li\u003e\n  \u003cli\u003eFPV micro-drone with smartphone camera streaming\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eWorks with any standard 3.7V brushed Coreless motors and 55-65mm propellers. Easily connects to external modules like GPS, magnetometer, or cameras via I2C, SPI, and UART. Fully compatible with the Arduino ESP32 core and ESP-IDF for professional firmware development.\u003c\/p\u003e\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eSolder motors directly to M1-M4 pads observing correct polarity. The onboard charging circuit requires a 5V USB input—never exceed 5.5V. Total motor current draw should stay below 3A to prevent damage to the power management IC.\u003c\/p\u003e\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino?\u003c\/summary\u003e\u003cp\u003eYes, the LiteWing supports Arduino IDE programming using the official ESP32 board package. You can write sketches in C++ to control motors and read sensor data.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it include motors and propellers?\u003c\/summary\u003e\u003cp\u003eThe kit includes only the development board with battery. Motors, propellers, and a drone frame are sold separately to allow you to choose components that fit your design.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use it for FPV racing?\u003c\/summary\u003e\u003cp\u003eIt features Wi-Fi for video streaming, but latency may not meet real-time racing requirements. It's best suited for testing algorithms or casual monitoring applications.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444945052013,"sku":"CDN-0021","price":3880.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_4ebcf26c-c7c8-43dc-822c-5addda946e32.jpg?v=1781512089"},{"product_id":"industrial-ph-sensor-module-for-arduino-esp32-raspberry-pi","title":"Industrial pH Sensor Module for Arduino, ESP32, Raspberry Pi","description":"\u003ch1\u003eIndustrial Grade Liquid pH Sensor Module for Arduino, ESP32, Raspberry Pi\u003c\/h1\u003e\n\u003cp\u003eThis industrial liquid pH sensor module accurately measures pH from 0 to 14 with ±0.1 pH resolution. Designed for Arduino, ESP32, Raspberry Pi, and other microcontrollers with analog input, it outputs a voltage proportional to pH for real-time monitoring. Ideal for hydroponics, aquaponics, water quality testing, and lab experiments.\u003c\/p\u003e\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMeasurement Range\u003c\/td\u003e\n\u003ctd\u003e0-14 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1 pH (at 25°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003e0-5V analog (calibrated for pH)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eElectrode Connector\u003c\/td\u003e\n\u003ctd\u003eBNC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0-60°C\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eHydroponic nutrient monitoring system\u003c\/li\u003e\n  \u003cli\u003eAquarium pH controller\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-drinking-water-quality-tester-kit-with-esp32-plus-lora\"\u003eDrinking water quality tester\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eIndustrial effluent pH logger\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eCompatible with any microcontroller having analog input pins: Arduino Uno\/Mega\/Nano, ESP32, ESP8266, Raspberry Pi (with external ADC), STM32, and others. Works at 5V logic level; for 3.3V boards, use a voltage divider or ensure ADC tolerance.\u003c\/p\u003e\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect the BNC probe interface to the module, then wire VCC to 5V, GND to GND, and analog out (Po) to an ADC pin. For accurate readings, calibrate with buffer solutions (pH 4.01 and 6.86) before first use. The output voltage is typically mV per pH unit, requiring software conversion.\u003c\/p\u003e\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino Uno?\u003c\/summary\u003e\u003cp\u003eYes, connect the sensor's analog output to any analog pin (A0-A5) and power with 5V. Use the Arduino's ADC to read pH values after calibration.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow often does the electrode need replacement?\u003c\/summary\u003e\u003cp\u003eThe glass electrode typically lasts 1-2 years with proper care. Store in storage solution (3M KCl) when not in use to extend life.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use this for continuous water monitoring?\u003c\/summary\u003e\u003cp\u003eYes, it is designed for continuous immersion. Ensure the probe tip stays wet and avoid drying; intermittent cleaning with pH calibration solutions maintains accuracy.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444945084781,"sku":"CDN-0018","price":790.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_57e38c76-34ed-4cb4-a6ce-baf2752bfdcf.jpg?v=1781512091"},{"product_id":"2x-18650-battery-shield-v8-module-for-arduino-and-esp32esp8266","title":"2x 18650 Battery Shield V8 Module for Arduino and ESP32\/ESP8266","description":"\u003ch1\u003e2x 18650 Battery Shield V8 Module – Dual Battery Power for Arduino and ESP Boards\u003c\/h1\u003e\u003cp\u003eThe 2x 18650 Battery Shield V8 Module is a compact power solution that holds two 18650 lithium-ion cells and converts their output to stable 5V and 3.3V rails. Designed for direct stacking on Arduino boards or wiring to ESP32\/ESP8266, it enables portable and wireless projects without tethering to a USB supply. Built-in protection circuits prevent over-discharge, over-current, and short circuits, ensuring safe operation for your microcontroller and peripherals.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003e2 x 18650 Li-ion (3.7V nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e5V DC (boost) and 3.3V DC (LDO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Output Current\u003c\/td\u003e\n\u003ctd\u003e1A at 5V, 800mA at 3.3V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eOver-discharge, over-current, short circuit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOn\/Off Switch\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e53mm x 30mm x 20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003ePortable weather station with ESP32 and BME280 sensor\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kit-bluetooth-controlled-car\"\u003eBluetooth-controlled RC car using Arduino Nano and motor driver\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/arduino-nano-33-iot-data-logging-project-kit\"\u003eIoT environmental monitor with ESP8266 and cloud data logging\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eMobile RFID access control system with Arduino Uno\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eThis shield connects directly to Arduino Uno, Mega, and Nano boards by stacking onto the power and ICSP headers. For ESP32 DevKit and ESP8266 NodeMCU, use jumper wires to connect 5V to Vin, 3.3V to 3.3V, and GND to GND. It operates with standard 18650 cells providing 3.7–4.2V each, and the onboard regulator handles efficient conversion for all common 5V and 3.3V logic.\u003c\/p\u003e\u003ch2\u003eWiring Notes\u003c\/h2\u003e\u003cp\u003eWhen stacking on an Arduino, align the headers carefully—the shield uses the ICSP port for additional power routing. For ESP boards, confirm polarity before connecting: red wire to positive 5V output, black to GND. Do not insert batteries while the switch is on, and always match the positive terminals to the marked + symbols on the holder.\u003c\/p\u003e\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eIs this compatible with ESP32?\u003c\/summary\u003e\u003cp\u003eYes, the shield outputs 5V and 3.3V that match the Vin and 3.3V pins on ESP32 development boards. Just connect with jumper wires.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes this shield charge the batteries?\u003c\/summary\u003e\u003cp\u003eNo, it is a battery holder with voltage regulation only. You must charge 18650 cells with an external charger before inserting them.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat type of batteries should I use?\u003c\/summary\u003e\u003cp\u003eUse any standard 18650 lithium-ion cells with a nominal voltage of 3.7V. Unprotected flat-top cells fit best; button-top may be tight.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444945281389,"sku":"CDN-0023","price":480.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_5af9cb24-9c47-4995-8c83-7b734bfb223a.jpg?v=1781512092"},{"product_id":"ttgo-t-call-esp32-sim800l-module-for-iot-gsm-projects","title":"TTGO T-Call ESP32 SIM800L Module for IoT \u0026 GSM Projects","description":"\u003ch1\u003eTTGO T-Call ESP32 SIM800L Wireless Module – GSM \u0026amp; IoT Development Board\u003c\/h1\u003e\n\u003cp\u003eThe TTGO T-Call ESP32 SIM800L is a versatile development board that combines the powerful ESP32 microcontroller with an integrated SIM800L GSM\/GPRS module. This allows your projects to make voice calls, send SMS messages, and transmit data over cellular networks, extending connectivity beyond Wi-Fi range. Perfect for remote monitoring, asset tracking, and IoT applications where internet access isn't always available.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32 WROVER-B (Dual-core, 240MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGSM\/GPRS Module\u003c\/td\u003e\n\u003ctd\u003eSIM800L (Quad-band 850\/900\/1800\/1900 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBluetooth \u0026amp; Wi-Fi\u003c\/td\u003e\n\u003ctd\u003e802.11 b\/g\/n + BT 4.2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eUSB to Serial\u003c\/td\u003e\n\u003ctd\u003eCH9102F\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePower Input\u003c\/td\u003e\n\u003ctd\u003e5V via USB or 3.7V Li-Po (JST connector)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGPIO Pins\u003c\/td\u003e\n\u003ctd\u003eMultiple (with I2C, SPI, UART, etc.)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eSMS alert system for home security or industrial monitoring.\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/esp32-gps-tracker-kit-build-a-live-tracking-dashboard\"\u003eGPS tracker using an external GPS module and SIM800L for location data over GPRS.\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003eRemote weather station that uploads data via GSM when Wi-Fi is unavailable.\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/voice-controlled-appliance-kit-arduino-uno-and-hc-05-bluetooth-relay\"\u003eVoice-controlled IoT appliance using GSM calls for control in areas without internet.\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis board works with the Arduino IDE and MicroPython. It is compatible with standard ESP32 libraries and the TinyGSM library for SIM800L. Works with 3.3V logic; use level shifters if interfacing with 5V sensors. Pairs well with GPS modules like NEO-6M, sensors (DHT22, BME280), and relay modules.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect the included GSM antenna and a SIM card (2G compatible). The SIM800L module communicates with the ESP32 via Serial2 (RX2\/TX2). Ensure a stable power supply; the GSM module can draw up to 2A peaks. A Li-Po battery on the JST connector is recommended for mobile projects.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, it is fully compatible with the Arduino IDE. You can program it using the ESP32 board package and the TinyGSM library for SIM800L functions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it come with a SIM card?\u003c\/summary\u003e\u003cp\u003eNo, the SIM card is not included. You'll need an active 2G SIM card with a suitable data or call plan from your local carrier.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use it for GPS tracking?\u003c\/summary\u003e\u003cp\u003eYes, you can connect an external GPS module like NEO-6M via serial pins. The SIM800L can then send location data over GPRS to a server or via SMS.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444945543533,"sku":"CDN-0027","price":1830.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_a157a748-ddd1-47e1-8a5f-168bd4780c2c.jpg?v=1781512097"},{"product_id":"esp-wroom-32-breakout-board-pcb-55x52mm","title":"ESP-WROOM-32 Breakout Board PCB (55x52mm)","description":"\u003ch1\u003eESP-WROOM-32 Breakout Board PCB – 55x52mm with Full GPIO Access\u003c\/h1\u003e\n\n\u003cp\u003eThe ESP-WROOM-32 Breakout Board PCB is a full-featured development platform built around the ESP32-WROOM-32 module. It breaks out all 38 GPIO pins to standard 2.54mm headers, includes a USB-C port with CP2102 USB-to-UART bridge, auto-programming circuit, and dedicated reset\/boot buttons. This compact 55x52mm board eliminates breadboard clutter for swift IoT prototyping.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32-D0WDQ6 (dual-core, 240 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e4 MB (on module)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGPIO Pins\u003c\/td\u003e\n\u003ctd\u003e38 (all broken out, 3.3V logic)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eUSB Interface\u003c\/td\u003e\n\u003ctd\u003eUSB-C with CP2102 USB-to-UART\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V (USB or VIN), 3.3V regulated output\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e55 × 52 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/wifi-weather-station-with-esp8266-oled-display-kit\"\u003eWi-Fi weather station with BME280 sensor and OLED display\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eBluetooth-controlled robot using L298N motor driver\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-esp32-mqtt-home-sensor-network\"\u003eSmart home sensor node with MQTT integration\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003ePortable Wi-Fi sniffer for network analysis\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis board is compatible with the Arduino IDE, MicroPython, and ESP-IDF frameworks. It interfaces easily with common sensors and actuators via I2C, SPI, and UART. The 5V input and 3.3V logic levels match most hobbyist components.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect a 5V supply to the VIN pin or simply use the USB-C port for power and programming. All GPIOs operate at 3.3V—never exceed this voltage. For I2C devices, enable internal pull-ups or add external 10kΩ resistors if the lines are long.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with the Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, install the ESP32 board package and select “ESP32 Dev Module” as the board. Examples and libraries work out of the box.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it include the ESP-WROOM-32 module?\u003c\/summary\u003e\u003cp\u003eYes, the module is pre-soldered onto the PCB, so you can start coding immediately without extra hardware.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the typical power consumption?\u003c\/summary\u003e\u003cp\u003eIn deep sleep mode, the board draws under 10 µA. During active Wi-Fi transmission, it peaks around 200 mA.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444945576301,"sku":"CDN-0025","price":45.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_1b79f3ad-b934-496c-b156-bf4914002082.jpg?v=1781512097"},{"product_id":"esp32-adapter-breakout-board-for-esp32-wroom-compoden","title":"ESP32 Adapter Breakout Board for ESP32-WROOM | Compoden","description":"\u003ch1\u003eESP32 Adapter Breakout Board for ESP32-WROOM Modules\u003c\/h1\u003e\u003cp\u003eThis adapter breakout board turns your ESP32-WROOM module into a full-featured development platform. It provides a USB-C port for power and programming, onboard reset and boot buttons, and a 3.3V regulator. All GPIOs are broken out to standard 0.1-inch headers, making prototyping fast and reliable.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Modules\u003c\/td\u003e\n\u003ctd\u003eESP32-WROOM-32, -32D, -32U, and similar pinout modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e5V via USB-C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOutput Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V (onboard regulator)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePin Breakout\u003c\/td\u003e\n\u003ctd\u003eAll GPIO, UART, SPI, I2C, ADC, touch, EN, VP\/VN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOnboard Features\u003c\/td\u003e\n\u003ctd\u003eReset button, Boot button, USB-C connector, Power LED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePCB Dimensions\u003c\/td\u003e\n\u003ctd\u003e55 mm x 28 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Holes\u003c\/td\u003e\n\u003ctd\u003e4 x M3 holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eWi-Fi smart plug using a relay module and a current sensor\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/bluetooth-sensor-monitor-kit-arduino-uno-hc-05-wireless-project\"\u003eBluetooth temperature and humidity monitor with a DHT22 sensor\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/raspberry-pi-3-web-controlled-leds-kit\"\u003eWeb-controlled LED strip with addressable WS2812B LEDs\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003eIoT weather station that uploads data to a cloud dashboard\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eThe breakout board works with all standard ESP32-WROOM modules that follow the common pinout. It can be programmed using Arduino IDE, MicroPython, or ESP-IDF. Pair it with common 3.3V sensors, I2C displays, and SPI devices for a wide range of projects.\u003c\/p\u003e\u003ch2\u003eWiring Notes\u003c\/h2\u003e\u003cp\u003eInsert the ESP32-WROOM module with the antenna facing outward and the notch aligned as marked on the PCB. No external pull-up on EN is needed; the board includes a 10kΩ pull-up. Use a high-quality USB-C cable capable of data transfer for reliable programming.\u003c\/p\u003e\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, the ESP32-WROOM module is fully supported by the Arduino IDE. You need to install the ESP32 board package from Espressif.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes the board include the ESP32 module?\u003c\/summary\u003e\u003cp\u003eNo, this is a breakout board only. You will need to purchase the ESP32-WROOM module separately and solder it onto the board.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat are the dimensions of the board?\u003c\/summary\u003e\u003cp\u003eThe board measures 55 mm in length and 28 mm in width. It fits easily on a standard breadboard, leaving one row of contacts on each side.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444945641837,"sku":"CDN-0026","price":90.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_f90e0af5-8bee-4f39-8b29-1b6b3ab1421d.jpg?v=1781512099"},{"product_id":"esp32-wroom-32-wifi-ble-bluetooth-mcu-module-compoden","title":"ESP32 WROOM-32 WiFi BLE Bluetooth MCU Module | Compoden","description":"\u003ch1\u003eESP32 WROOM-32 WiFi BLE Bluetooth MCU Module with 4MB Flash\u003c\/h1\u003e\n\n\u003cp\u003eThe ESP32 WROOM-32 is a low-power microcontroller module with integrated WiFi and Bluetooth\/BLE connectivity. It's ideal for IoT devices, smart home automation, and portable battery-powered projects. Its dual-core processor and rich peripheral set make it a versatile choice for both beginners and advanced developers.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32-D0WDQ6 (dual-core Xtensa LX6)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eClock Speed\u003c\/td\u003e\n\u003ctd\u003e240 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e4 MB (Quad SPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003ctd\u003e520 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWiFi\u003c\/td\u003e\n\u003ctd\u003e802.11 b\/g\/n (2.4 GHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003ev4.2 BR\/EDR and BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGPIO Pins\u003c\/td\u003e\n\u003ctd\u003e34 (some shared with other functions)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e2.3V to 3.6V (typically 3.3V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003eWi-Fi weather station that uploads data to the cloud\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-bluetooth-controlled-car\"\u003eBluetooth-controlled robot or car\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eHome automation hub to control lights, switches, and sensors\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-battery-powered-nano-mesh-node\"\u003eBattery-powered IoT sensor node for temperature, humidity, or motion\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis module works with the Arduino IDE via the ESP32 board package, as well as ESP-IDF and MicroPython. It's compatible with common prototyping boards and can be integrated into custom PCBs. Pair it with an external 3.3V regulator and USB-to-serial adapter for development.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eProvide a stable 3.3V supply capable of at least 500mA. The EN pin must be pulled high for normal operation. For initial programming, connect GPIO0 to ground while resetting to enter download mode. Keep antenna area clear of metal for best wireless performance.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino Uno?\u003c\/summary\u003e\u003cp\u003eThe ESP32 WROOM-32 cannot plug directly into an Arduino Uno shield, but it can be programmed using the Arduino IDE with the ESP32 board package installed.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the typical Wi-Fi range?\u003c\/summary\u003e\u003cp\u003eIn open air with the onboard ceramic antenna, expect around 100 meters line‑of‑sight. Walls and interference will reduce this.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it come with headers soldered?\u003c\/summary\u003e\u003cp\u003eNo, this is a bare module. You will need to solder it to a breakout board or your own PCB.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444945674605,"sku":"CDN-0029","price":280.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_a5d7616d-8712-40bf-8cf3-c918dce42997.jpg?v=1781512100"},{"product_id":"esp32-cam-board-ov2640-ov3660-wifi-bluetooth-module","title":"ESP32-CAM Board OV2640 OV3660 WiFi Bluetooth Module","description":"\u003ch1\u003eESP32 Camera Module with OV2640 and OV3660 – WiFi Bluetooth Dev Board\u003c\/h1\u003e\n\n\u003cp\u003eThe ESP32 camera development board is a compact, low-power solution for wireless video streaming and image capture. Featuring the ESP32-S dual-core chip with 240MHz clock speed, it delivers robust performance for IoT applications. The board includes both OV2640 and OV3660 camera sensors, giving you flexibility in resolution—use the OV2640 for 2MP captures up to UXGA and the OV3660 for 3MP QXGA resolution. Ideal for smart home, security, and prototyping.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCPU and Wireless\u003c\/td\u003e\n\u003ctd\u003eESP32-S dual-core 240MHz, built-in WiFi 802.11b\/g\/n and Bluetooth 4.2 BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eIncluded Cameras\u003c\/td\u003e\n\u003ctd\u003eOV2640 (2MP, up to 1600x1200) and OV3660 (3MP, up to 2048x1536)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eStorage\u003c\/td\u003e\n\u003ctd\u003eMicroSD card slot (supports cards up to 4GB)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e4MB Flash, 8MB PSRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePower\u003c\/td\u003e\n\u003ctd\u003e5V via micro USB or 3.3V pin; onboard regulator\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGPIO and Interfaces\u003c\/td\u003e\n\u003ctd\u003eUART, SPI, I2C, 9 GPIOs (ADC, touch, PWM capable)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/wifi-security-camera-with-pico-w-home-security-kit-v4\"\u003e\n\u003cstrong\u003eWiFi Security Camera:\u003c\/strong\u003e Stream live video to your phone with motion detection alerts using the ESP32-CAM examples.\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFacial Recognition Doorbell:\u003c\/strong\u003e Combine with a server or local processing to identify visitors and unlock doors.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTime-Lapse Photography:\u003c\/strong\u003e Program periodic captures and save to microSD, ideal for plant growth or construction monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQR Code Scanner:\u003c\/strong\u003e Use the camera to read barcodes or QR codes for inventory management or access control systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis board is supported in Arduino IDE (install ESP32 board manager), MicroPython, and ESP-IDF. For programming, an external FTDI USB-to-serial adapter is required; connect to U0T\/U0R and toggle GPIO0. It operates at 3.3V logic—use level shifters when interfacing with 5V sensors or actuators. Pairs well with I2C devices like OLED displays and BME280 sensors.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect a 5V FTDI to VCC and GND, TX to U0R, RX to U0T. To enter flash mode, bridge GPIO0 to GND during power-up. The camera ribbon cable inserts into the socket with the contacts facing down; secure the clip without forcing. Use a regulated 5V supply capable of at least 500mA to avoid brownouts during WiFi transmissions.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, after adding the ESP32 board package (espressif\/arduino-esp32) you can select \"AI-Thinker ESP32-CAM\" board and upload sketches.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eDoes it come with both OV2640 and OV3660?\u003c\/summary\u003e\u003cp\u003eYes, the package includes one each of OV2640 and OV3660 camera modules, so you can swap as needed.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdetails\u003e\u003csummary\u003eCan it record video directly to the microSD card?\u003c\/summary\u003e\u003cp\u003eYes, the example sketches show how to save video stream or still images in AVI or JPEG format to microSD.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444945707373,"sku":"CDN-0028","price":670.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/download_005761b2-f4d6-4955-95c3-85fd81bfb409.jpg?v=1781525357"},{"product_id":"arduino-uno-r4-wifi-abx00162-single-board-computer-development-board","title":"Arduino UNO R4 WiFi ABX00162 Single Board Computer Development Board","description":"\u003ch1\u003eArduino UNO R4 WiFi Single Board Computer (ABX00162)\u003c\/h1\u003e\n\n\u003cp\u003eThe Arduino UNO R4 WiFi is a powerful single board computer that blends the classic UNO form factor with a modern Renesas RA4M1 microcontroller and an onboard ESP32-S3 module for WiFi and Bluetooth connectivity. Designed for IoT prototyping, it offers enhanced processing, expanded memory, and seamless wireless communication, making it a direct drop-in upgrade for existing UNO projects.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eRenesas RA4M1 (Arm Cortex-M4)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eClock Speed\u003c\/td\u003e\n\u003ctd\u003e48 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSRAM \/ Flash\u003c\/td\u003e\n\u003ctd\u003e256 KB \/ 1 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eESP32-S3 module (WiFi 802.11 b\/g\/n, Bluetooth 5.0)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003ctd\u003eUSB-C for programming and power\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eI\/O Pins\u003c\/td\u003e\n\u003ctd\u003e14 digital, 6 analog, 3.3-5V logic tolerant\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/wifi-weather-station-with-esp8266-oled-display-kit\"\u003eWiFi-enabled weather station with cloud data logging\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-bluetooth-home-automation-kit-with-arduino-nano-plus-flex-sensors\"\u003eHome automation system with Bluetooth and smartphone control\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eWireless robot or drone using the ESP32-S3 for low-latency control\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-esp32-mqtt-home-sensor-network\"\u003eIoT sensor network bridging to MQTT or web dashboards\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eFully compatible with the Arduino UNO pinout and most existing shields. The RA4M1 operates at 5V, ensuring legacy shields work out of the box. Programming is done via USB-C using the Arduino IDE 2.0 or higher. Also compatible with ESP32-S3 firmware for standalone wireless applications.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eFor basic use, connect via USB-C to your computer for programming and power. External power (7-12V) can be supplied to the barrel jack. No additional wiring is required for WiFi\/Bluetooth—the ESP32-S3 is internally connected. When driving external loads, respect the per-pin current limit of 8mA and total board limit of ~200mA from the 5V rail.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with the Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, the Arduino UNO R4 WiFi is officially supported in Arduino IDE 2.0 and newer, with all necessary board files available via the Boards Manager.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use standard UNO shields with this board?\u003c\/summary\u003e\u003cp\u003eAbsolutely. The UNO R4 maintains the same 5V logic level and pin headers as the classic Uno, so shields for servo control, LCD, and sensors work without modification.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the WiFi need an external antenna?\u003c\/summary\u003e\u003cp\u003eNo. The ESP32-S3 module includes an integrated PCB antenna that provides reliable wireless connectivity for typical indoor and short-range outdoor use.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444946100589,"sku":"CDN-0041","price":4880.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_21ed90c4-21b5-4c17-87ff-b13db95575fa.jpg?v=1781512115"},{"product_id":"liquid-ph-sensor-module-industrial-grade-for-arduino-esp32-raspberry-pi","title":"Liquid pH Sensor Module Industrial Grade for Arduino ESP32 Raspberry Pi","description":"\u003ch1\u003eLiquid pH Sensor Module (0–14 pH Range) for Arduino, ESP32, Raspberry Pi\u003c\/h1\u003e\n\n\u003cp\u003eThe Liquid pH Sensor Module is an industrial-grade analog sensor designed for precise pH measurement in liquids. It pairs with any standard pH electrode via a BNC connector and outputs a voltage proportional to the pH value, making it compatible with Arduino, ESP32, Raspberry Pi, and most microcontrollers. With onboard offset adjustment and wide detection range, it is suitable for water quality testing, hydroponics, aquaponics, and laboratory experiments.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDetection Range\u003c\/td\u003e\n\u003ctd\u003e0 – 14 pH\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e±0.1 pH (at 25°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOutput Signal\u003c\/td\u003e\n\u003ctd\u003eAnalog 0 – 5 V (pH-dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e5 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eBNC (probe not always included)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOffset Adjustment\u003c\/td\u003e\n\u003ctd\u003eOnboard potentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-hydroponics-nutrient-monitor-kit-v2\"\u003eHydroponics nutrient monitor and automatic pH adjuster\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/aquarium-water-quality-monitor-kit-with-arduino-tds-and-temp\"\u003eAquarium water quality controller with alerts\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-sd-card-data-logger\"\u003eEnvironmental water sampling data logger with SD card storage\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eIndustrial wastewater pH monitoring and recording system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis module works with any microcontroller accepting analog input, including Arduino (Uno, Mega, Nano), ESP32 (via ADC), and Raspberry Pi (with external ADC like ADS1115). It requires 5 V power and outputs a linear voltage within 0–5 V. For 3.3 V logic boards like ESP32, use a voltage divider or ensure your board's ADC can handle the full range.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect the module’s VCC to 5 V, GND to common ground, and the analog output (often marked Po or Out) to an analog input pin. For stable readings, allow the electrode to settle for 1–2 minutes in buffer solution before taking measurements. Use a dedicated ADC for Raspberry Pi to convert the analog signal.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino?\u003c\/summary\u003e\u003cp\u003eYes, the pH sensor module outputs 0–5 V analog, which connects directly to any Arduino analog pin for pH reading using simple code.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I calibrate this sensor?\u003c\/summary\u003e\u003cp\u003eImmerse the pH electrode in standard buffer solutions (e.g., pH 4.0 and pH 7.0) and adjust the onboard offset potentiometer until the output matches the expected voltage for each buffer.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it include the pH electrode?\u003c\/summary\u003e\u003cp\u003eThis listing is for the signal conditioning module only. A standard BNC-connector pH electrode is required and must be purchased separately unless specified as a kit.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444962091373,"sku":"CDN-0427","price":790.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_408c613f-5407-4e29-a1ae-da2773e6db11.jpg?v=1781512559"},{"product_id":"dual-18650-battery-shield-v8-for-arduino-esp32esp8266-5v33v-output","title":"Dual 18650 Battery Shield V8 for Arduino, ESP32\/ESP8266 – 5V\/3.3V Output","description":"\u003ch1\u003eDual 18650 Battery Shield V8 Module – 5V\/3.3V Output for Arduino and ESP32\u003c\/h1\u003e\n\n\u003cp\u003eThe 2 x 18650 Battery Shield V8 is a portable power solution designed to run Arduino, ESP32, ESP8266, and other 5V\/3.3V microcontroller boards from two 18650 rechargeable lithium-ion batteries. It integrates a boost converter, charging circuit, and protection features on a single compact PCB. Ideal for field deployments, robotics, and IoT projects where a reliable battery supply is essential.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003e2 x 18650 Li-ion (3.7V nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInput Charging\u003c\/td\u003e\n\u003ctd\u003e5V via Micro USB, up to 1A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOutput Voltages\u003c\/td\u003e\n\u003ctd\u003e5V (via boost) and 3.3V (LDO regulated)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMax Output Current\u003c\/td\u003e\n\u003ctd\u003e5V\/1A, 3.3V\/700mA (combined up to 1.5A)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eProtection\u003c\/td\u003e\n\u003ctd\u003eOvercharge, overdischarge, overcurrent, short circuit, cell balancing\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e68 x 52 x 18 mm (approx.)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003ePortable weather monitoring station with ESP32 and sensors\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eWireless remote sensor node using ESP8266 and deep sleep\u003c\/li\u003e\n  \u003cli\u003eSelf‑powered mobile robot with Arduino motor control\u003c\/li\u003e\n  \u003cli\u003eDIY handheld game console with a small OLED display\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis shield is directly compatible with most Arduino boards via the standard header layout (Uno, Mega, Nano with adapter), and fits ESP32 DevKit and ESP8266 NodeMCU boards. Output voltages of 5V and 3.3V match common logic levels. The module can be stacked underneath your microcontroller, making it a compact all‑in‑one power system.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eInsert two 18650 cells correctly as marked; the module includes polarity protection but incorrect insertion may still cause damage. Connect a 5V micro USB charger to the input port to charge both batteries simultaneously. The power switch isolates the output, and voltage is available on the 5V and 3.3V pins – no additional wiring required for standard boards.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Raspberry Pi?\u003c\/summary\u003e\u003cp\u003eNo, this shield is designed for 5V\/3.3V microcontroller boards. Raspberry Pi requires a stable 5V supply with higher current (2.5A or more) and does not fit the pin layout. Use a dedicated power management module for RPi instead.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I charge the batteries while powering my project?\u003c\/summary\u003e\u003cp\u003eYes, the V8 module supports pass‑through charging. When a micro USB cable is connected, the charging circuit will top up the batteries while the boost converter continues to supply 5V\/3.3V to your board.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat happens if I insert the batteries in the wrong orientation?\u003c\/summary\u003e\u003cp\u003eThe shield includes reverse‑polarity protection, but you should always double‑check the markings. Inserting batteries incorrectly may cause a short circuit and damage the module or batteries.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444962386285,"sku":"CDN-0443","price":480.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_07a0e82a-b386-41ef-8333-78a7a4d5a8ee.jpg?v=1781512576"},{"product_id":"heltec-lora-esp32-oled-display-iot-board-with-wifi-bluetooth","title":"Heltec LoRa ESP32 OLED Display IoT Board with WiFi \u0026 Bluetooth","description":"\u003ch1\u003eHeltec LoRa ESP32 OLED Display IoT Development Board (WiFi\/Bluetooth)\u003c\/h1\u003e\n\n\u003cp\u003eThe Heltec LoRa ESP32 board combines an ESP32 microcontroller with WiFi and Bluetooth, a Semtech SX1276 LoRa transceiver, and a 0.96-inch 128x64 OLED display. It’s ideal for long-range, low-power IoT applications such as sensor networks, asset tracking, and smart agriculture. The integrated display simplifies debugging and real-time data monitoring.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32-D0WDQ6, dual-core Xtensa LX6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLoRa Transceiver\u003c\/td\u003e\n\u003ctd\u003eSemtech SX1276\/78 (868\/915 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e0.96\" OLED, 128×64 pixels, I2C\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eWiFi 802.11 b\/g\/n, Bluetooth 4.2 BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e4 MB Flash, 520 KB SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V (5V via USB, 3.7V LiPo)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/lora-weather-station-kit-with-gps-and-arduino-compoden\"\u003eRemote weather station with LoRa data uplink\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/esp32-gps-tracker-kit-build-a-live-tracking-dashboard\"\u003eGPS tracker displaying coordinates on the OLED\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-wifi-mesh-network-5-nodes\"\u003eMesh network sensor nodes for precision agriculture\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eLong-range Bluetooth-to-LoRa gateway\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eWorks with Arduino IDE, MicroPython, and ESP-IDF. Fully compatible with any 3.3V logic sensors and modules. Breadboard-friendly pin headers. Commonly paired with DHT22, GPS modules, and soil moisture sensors.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect a 3.7V LiPo battery to the JST connector for portable use; the onboard charger handles USB charging. Always attach the LoRa antenna before powering. LoRa uses SPI (SS=18, SCK=5, MOSI=27, MISO=19) and OLED uses I2C (SDA=4, SCL=15). Avoid hot-plugging peripherals.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, the Heltec board is fully supported via the ESP32 board manager. Install the Heltec ESP32 library for LoRa and OLED functions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat LoRa frequency does this board support?\u003c\/summary\u003e\u003cp\u003eThis variant supports the 868\/915 MHz band, suitable for India and most regions. Please confirm your local regulations before deployment.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it include the antenna?\u003c\/summary\u003e\u003cp\u003eYes, a helical antenna is included. For longer range, an external antenna can be attached via the U.FL connector.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444962550125,"sku":"CDN-0450","price":2580.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_4a788ec4-33f7-4ef7-9686-32891d4a4d2d.jpg?v=1781512579"},{"product_id":"litewing-esp32-programmable-drone-with-positioning-module-combo","title":"LiteWing ESP32 Programmable Drone with Positioning Module Combo","description":"\u003ch1\u003eLiteWing Programmable Ready to Fly Drone with Positioning Module Combo (ESP32)\u003c\/h1\u003e\u003cp\u003eThe LiteWing Programmable Ready to Fly Drone with Positioning Module Combo is a complete aerial robotics kit built around the ESP32 microcontroller. It includes a flight controller pre-loaded with ArduPilot or Betaflight, an optical flow positioning module for stable indoor hovering, and all necessary motors, propellers, and frame parts. Ideal for students, hobbyists, and developers looking to build custom autonomous drones with GPS waypoint navigation or computer vision applications.\u003c\/p\u003e\u003ch2\u003eKey Specifications\u003c\/h2\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32 dual-core, 240 MHz, Wi-Fi 802.11 b\/g\/n, Bluetooth 4.2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePositioning Module\u003c\/td\u003e\n\u003ctd\u003eOptical flow sensor (PMW3901) + VL53L1X ToF rangefinder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlight Time\u003c\/td\u003e\n\u003ctd\u003eApprox. 8–10 minutes (2S 800mAh LiPo)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor Type\u003c\/td\u003e\n\u003ctd\u003e8520 brushed coreless motors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrame Size\u003c\/td\u003e\n\u003ctd\u003e120mm carbon fiber frame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e80 g (without battery)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kit-autonomous-drone-obstacle-avoidance\"\u003eIndoor autonomous drone with optical flow hold and obstacle avoidance using ultrasonic sensors\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003eSmartphone-controlled quadcopter via ESP32 Wi-Fi and a custom web app\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/kit-esp-now-peer-communication\"\u003eSwarm drones for synchronized aerial light shows using ESP-NOW communication\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003ePayload-drop drone with servo-activated release mechanism for STEM competitions\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eCompatibility\u003c\/h2\u003e\u003cp\u003eThe drone’s ESP32 flight controller is compatible with Arduino IDE, MicroPython, and ESP-IDF. It works seamlessly with popular ground control software like Mission Planner via MAVLink over Wi-Fi. The open-source firmware supports standard RC receivers (SBUS\/PPM) and GPS modules (not included) for outdoor navigation.\u003c\/p\u003e\u003ch2\u003eWiring Notes\u003c\/h2\u003e\u003cp\u003eConnect the optical flow sensor via SPI (SCK, MISO, MOSI, CS) and the rangefinder via I2C (SDA, SCL). Ensure the battery's discharge rate (20C or higher) matches the motor draw; always calibrate the ESCs after flashing new firmware.\u003c\/p\u003e\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, the ESP32 can be programmed using the Arduino IDE with the ESP32 board package installed. You can use the Arduino libraries for flight control.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eDoes this drone include a battery and charger?\u003c\/summary\u003e\u003cp\u003eThe combo includes a 2S 800mAh LiPo battery and a USB balance charger. You may need an external 2S LiPo charger for faster charging.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eCan I add GPS for outdoor flight?\u003c\/summary\u003e\u003cp\u003eYes, the flight controller breaks out UART pins for an external GPS module. With a compatible firmware like iNav, you can enable GPS hold and return-to-home features.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445029036397,"sku":"CDN-0800","price":6170.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_faa7013a-d59a-462a-a37d-52482085afd3.jpg?v=1781512953"},{"product_id":"inmp441-i2s-microphone-module-high-snr-mems-mic-for-esp32","title":"INMP441 I2S Microphone Module — High SNR MEMS Mic for ESP32","description":"\u003ch1\u003eINMP441 I2S MEMS Microphone Module — 61 dBA SNR Digital Output\u003c\/h1\u003e\n\n\u003cp\u003eThe INMP441 is a high-performance MEMS microphone with I2S digital output, offering 61 dBA signal-to-noise ratio and 24-bit audio resolution. It's ideal for voice recognition, sound monitoring, and audio streaming projects using microcontrollers like ESP32. With low power consumption and easy I2S connectivity, it delivers clear, noise-free audio capture for embedded systems.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e1.62V – 3.6V (module typ. 3.3V)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOutput Format\u003c\/td\u003e\n\u003ctd\u003eI2S, 24-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSensitivity\u003c\/td\u003e\n\u003ctd\u003e-26 dBFS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSignal-to-Noise Ratio\u003c\/td\u003e\n\u003ctd\u003e61 dBA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFrequency Response\u003c\/td\u003e\n\u003ctd\u003e60 Hz – 15 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;1.5 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/voice-controlled-home-automation-kit-with-arduino-uno-and-hc-05-bluetoot\"\u003eVoice-controlled home assistant with ESP32 and Alexa\/Google SDK\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-microphone-sound-level-meter\"\u003eIoT sound level meter for real-time noise monitoring and logging\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003ePortable high-quality audio recorder with SD card storage\u003c\/li\u003e\n  \u003cli\u003eSecurity alarm that triggers on specific sound patterns like glass breaking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThe INMP441 works with any microcontroller that supports I2S protocol, such as ESP32, ESP8266, Raspberry Pi, STM32, and Arduino boards with appropriate I2S libraries. It pairs seamlessly with 3.3V logic level boards; level shifting might be needed for 5V systems. Common pairings include ESP32 for IoT and Raspberry Pi for advanced audio processing.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect VDD to 3.3V, GND to ground, SD (Serial Data) to the I2S data input pin, WS (Word Select) to the I2S LRCLK, and SCK (Serial Clock) to the I2S bit clock. Some modules include an L\/R pin that can be pulled high or low to assign left or right channel. Keep wires short to minimize digital noise.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino Uno?\u003c\/summary\u003e\u003cp\u003eThe ATmega328P on Arduino Uno lacks native I2S peripherals; compatibility requires bit‑banging libraries and is limited. It works best with 32‑bit boards like ESP32 or Arduino Zero that have built‑in I2S support.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use two INMP441 mics for stereo recording?\u003c\/summary\u003e\u003cp\u003eYes, two modules can be configured for left and right channels by setting their L\/R pins differently. Ensure your microcontroller's I2S interface supports stereo mode and provides sufficient processing power for dual‑channel audio.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow does I2S improve audio quality over analog mics?\u003c\/summary\u003e\u003cp\u003eI2S delivers digital audio directly, avoiding analog noise and the need for an external ADC. This results in cleaner signals and simpler circuit design, especially in electrically noisy environments.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445051515245,"sku":"CDN-0867","price":240.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/download_0eb92a33-b762-4600-86aa-0a5de5477405.jpg?v=1781527013"},{"product_id":"esp32-smart-iot-learning-kit-with-oled-display","title":"ESP32 Smart IoT Learning Kit with OLED Display","description":"\u003ch1\u003eESP32 Smart IoT Learning Kit with OLED Display\u003c\/h1\u003e\n\u003cp\u003eThe ESP32 Smart IoT Learning Kit is a complete starter pack for building Internet of Things projects with visual feedback. It centres on an ESP32 development board and a 0.96-inch OLED display, letting you create sensor dashboards, data loggers, and wireless control panels right out of the box. Beginners get a ready-to-use platform that combines powerful Wi‑Fi and Bluetooth with a crisp monochrome screen, making it easy to see sensor readings and network status while learning.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32-WROOM-32 dual-core 240 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eWi-Fi 802.11 b\/g\/n, Bluetooth 4.2 and BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003e0.96\" OLED 128×64 px, I2C (SSD1306)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e5V (USB) with 3.3V I\/O logic\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlash Memory \/ RAM\u003c\/td\u003e\n\u003ctd\u003e4 MB Flash, 520 KB SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eIoT weather station showing live temperature and humidity on the OLED\u003c\/li\u003e\n  \u003cli\u003eWireless notification display that pulls tweets or emails from the web\u003c\/li\u003e\n  \u003cli\u003eBluetooth proximity tag that shows signal strength and device name\u003c\/li\u003e\n  \u003cli\u003eHome automation dashboard that toggles lights and reads sensor status\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis kit works with the Arduino IDE, MicroPython, and Espressif IDF. All I\/O is 3.3 V logic, so 5 V sensors like the HC-SR04 ultrasonic module need a simple level shifter. The OLED and included jumper wires connect directly to standard ESP32 development boards with 2.54 mm pin headers.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect the OLED SDA pin to GPIO21 and SCL to GPIO22 on most ESP32 boards. Power the display from the 3.3 V rail – avoid the 5 V pin to prevent damage. Always unplug USB before wiring, and keep current draw per pin below 12 mA.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with the Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, the ESP32 can be programmed using the Arduino IDE. Install the ESP32 board package via Boards Manager and select the ESP32 Dev Module.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the kit include a battery pack?\u003c\/summary\u003e\u003cp\u003eNo battery is included. The board is powered through the micro USB cable supplied in the kit. For portable use, you can connect a single-cell Li‑ion battery to the appropriate pins.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat other components can I connect to the OLED?\u003c\/summary\u003e\u003cp\u003eThe OLED uses the I2C bus, so many sensors like the BME280, MPU6050, or an RTC can share the same SDA and SCL lines as long as each has a unique address.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445083758957,"sku":"CDN-0008","price":1720.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_2507ddc9-f2b9-4366-b56b-583bfb5adf41.jpg?v=1781513209"},{"product_id":"crowpanel-128-esp32-round-touch-display-compoden","title":"CrowPanel 1.28\" ESP32 Round Touch Display | Compoden","description":"\u003ch1\u003eCrowPanel 1.28 Inch ESP32 Round Touch Display\u003c\/h1\u003e\n\u003cp\u003eThe Elecrow CrowPanel 1.28-inch round display integrates a 240x240 pixel TFT with capacitive touch and an ESP32-C3 microcontroller. Designed for compact IoT and wearable projects, it provides WiFi, BLE connectivity, and a bright IPS screen with GC9A01 driver. Its circular form factor suits smart watches, control dials, or compact dashboards.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32-C3 (RISC-V)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDisplay Size\u003c\/td\u003e\n\u003ctd\u003e1.28 inch round IPS\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e240 × 240 pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDriver IC\u003c\/td\u003e\n\u003ctd\u003eGC9A01\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTouch Controller\u003c\/td\u003e\n\u003ctd\u003eCapacitive (CST328)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eConnectivity\u003c\/td\u003e\n\u003ctd\u003eWiFi 802.11b\/g\/n, BLE 5.0\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eA custom smartwatch with notification mirroring\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/wifi-weather-station-with-esp8266-oled-display-kit\"\u003eA desktop weather station pulling live data via WiFi\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eA rotary dial home automation controller\u003c\/li\u003e\n  \u003cli\u003eA portable speedometer or compass for a bike\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eProgram the board with Arduino IDE, PlatformIO, or ESP-IDF. Standard libraries like TFT_eSPI and LVGL drive the display. Peripheral I2C and SPI pins are available on the back header; all logic is 3.3V. Pair with any 3.3V sensor module, such as BME280 or MPU6050.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003ePower the board through the USB-C port; no external wiring needed for basic use. For external circuits, use the pin headers on the back. Ensure all connected devices run at 3.3V. The capacitive touch controller communicates over I2C using default SDA and SCL pins.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We’ve spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, the ESP32-C3 is fully supported by the Arduino core for ESP32. You can install the board package and program it via USB-C.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the display come with a case or enclosure?\u003c\/summary\u003e\u003cp\u003eNo, the product includes only the assembled PCB. You can 3D print a custom case using the available CAD files from Elecrow.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I update the firmware over-the-air?\u003c\/summary\u003e\u003cp\u003eYes, once you have basic WiFi firmware loaded, you can set up OTA updates. The initial flashing must be done through the USB-C connection.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445083857261,"sku":"CDN-0010","price":3480.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/download_1d88bd2b-be22-4147-b719-dca56b86c794.jpg?v=1781524633"},{"product_id":"elecrow-24inch-esp32-solo-miner-lcd-display","title":"Elecrow 2.4inch ESP32 Solo Miner LCD Display","description":"\u003ch1\u003eElecrow 2.4inch ESP32 Solo Miner LCD Display\u003c\/h1\u003e\n\u003cp\u003eThe Elecrow 2.4inch ESP32 Solo Miner LCD Display combines a vibrant TFT screen with an ESP32-Solo microcontroller to create a dedicated monitor for crypto mining rigs. It displays real-time hashrate, temperature, and pool status over WiFi, eliminating the need for a separate PC. A resistive touch layer allows direct on-screen control and menu navigation.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDisplay Size\u003c\/td\u003e\n\u003ctd\u003e2.4 inch TFT LCD\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e320x240 pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTouch Screen\u003c\/td\u003e\n\u003ctd\u003eResistive touch\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32-Solo (single-core)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eWiFi 802.11b\/g\/n, Bluetooth 4.2 BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003eSPI for display, USB-C for power\/programming\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eStandalone mining status display that pulls data from pool APIs\u003c\/li\u003e\n  \u003cli\u003eIoT dashboard showing weather, time, and crypto prices\u003c\/li\u003e\n  \u003cli\u003ePortable device monitor for home automation sensors\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-pi-4-retro-gaming-console\"\u003eRetro gaming console using ESP32 emulators and the touch screen\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis board works with Arduino IDE, MicroPython, and ESP-IDF. It connects to any standard 5V USB power source and pairs effortlessly with mining software that exposes HTTP APIs. The display uses the ILI9341 driver, widely supported in TFT_eSPI and LovyanGFX libraries.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eJust plug in a USB-C cable for power and code upload. The LCD and touch controller share the SPI bus on dedicated internal pins, so no jumper wires are needed. If you need extra GPIOs for sensors or buttons, the breakout header provides 3.3V-tolerant pins directly from the ESP32.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, fully. Add the ESP32 board support in Arduino IDE and select “ESP32 Dev Module” as the board. The TFT and touch libraries install directly from the Library Manager.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I monitor multiple mining rigs on one display?\u003c\/summary\u003e\u003cp\u003eIt can show data from one rig at a time via a direct API call, but you can code it to cycle through multiple miners by connecting to a local dashboard or by switching IP addresses.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it come with pre-loaded firmware?\u003c\/summary\u003e\u003cp\u003eIt ships with a simple demo that cycles colors and reads touch input. To use it as a mining monitor, you’ll need to flash custom firmware using the USB-C port.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445084086637,"sku":"CDN-0011","price":3630.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_142669f7-1abe-4f57-bc8d-ffa2a23e67ef.jpg?v=1781513213"},{"product_id":"esp32-30-pin-development-board-cp2102-wifi-bluetooth","title":"ESP32 30-Pin Development Board CP2102 WiFi Bluetooth","description":"\u003ch1\u003eESP32 30 Pin CP2102 Development Board with Wi-Fi and Bluetooth\u003c\/h1\u003e\n\u003cp\u003eThe ESP32 30-pin development board with CP2102 USB‑UART chip integrates 2.4 GHz Wi‑Fi and Bluetooth 4.2\/5.0. It is built for IoT prototypes, sensor networks, and low‑power applications that need reliable wireless connectivity. A dual‑core Tensilica LX6 processor drives this compact board, giving makers a ready‑to‑use platform for connected projects.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32‑WROOM‑32 (dual‑core LX6)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eWi‑Fi 802.11b\/g\/n, Bluetooth v4.2 BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlash \/ SRAM\u003c\/td\u003e\n\u003ctd\u003e4 MB Flash, 520 KB SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGPIO Pins\u003c\/td\u003e\n\u003ctd\u003e30 (ADC, DAC, UART, SPI, I2C, PWM)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eUSB‑UART\u003c\/td\u003e\n\u003ctd\u003eCP2102, up to 921600 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e5 V via USB; Vin 7‑12 V (onboard LDO)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003eIoT weather station posting readings to a cloud dashboard\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eBluetooth‑controlled robot with a custom smartphone interface\u003c\/li\u003e\n  \u003cli\u003eHome automation hub switches lights and appliances wirelessly\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-esp32-esp-now-peer-sensor-network\"\u003eWireless sensor mesh network using ESP‑NOW for long‑range data\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eWorks with Arduino IDE, PlatformIO, and Espressif IDF. Designed for 3.3 V logic sensors (DHT22, OLED, relay modules). Onboard 3.3 V regulator delivers up to 600 mA for external circuits. Standard pin‑spacing fits breadboards and common shields.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eAlways power peripherals from the 3.3 V pin. A single GPIO can source 40 mA, but keep the total draw under the regulator limit. Default serial pins are TX (GPIO1) and RX (GPIO3); avoid loading them during upload.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes. Install the ESP32 board package via Boards Manager, select “ESP32 Dev Module”, and choose the appropriate partition scheme. The CP2102 driver must be installed on your computer for uploading code.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I power this board with a 18650 battery?\u003c\/summary\u003e\u003cp\u003eThe board runs on 3.3 V logic but needs a regulated 5 V supply. A 3.7 V 18650 cell can be boosted to 5 V with a step‑up module and connected to the 5 V pin. Direct connection to 3.3 V may cause brown‑outs.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat comes inside the box?\u003c\/summary\u003e\u003cp\u003eYou receive the ESP32 development board only. No USB cable, headers, or sensors are included.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445084184941,"sku":"CDN-0019","price":450.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_0f805e6f-eb4a-4e34-a999-89bee7982af8.jpg?v=1781513215"},{"product_id":"esp32-devkitc-development-board-black-wifi-bluetooth-module","title":"ESP32-DEVKITC Development Board (Black) – WiFi Bluetooth Module","description":"\u003ch1\u003eESP32-DEVKITC Development Board (Black)\u003c\/h1\u003e\n\u003cp\u003eThe ESP32-DEVKITC is a development board based on the ESP32-WROOM-32 module. It provides a dual-core processor, WiFi, and Bluetooth connectivity in a compact form factor. This board is suitable for prototyping IoT devices, smart home systems, and wireless sensor networks.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eChipset\u003c\/td\u003e\n\u003ctd\u003eESP32-D0WDQ6 (dual-core Tensilica LX6)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e4 MB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003ctd\u003e520 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWiFi\u003c\/td\u003e\n\u003ctd\u003e802.11 b\/g\/n (2.4 GHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003ev4.2 BR\/EDR + BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e5V (micro USB) \/ 3.3V operating\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/wifi-weather-station-with-esp8266-oled-display-kit\"\u003eWiFi weather station with temperature and humidity sensors\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eSmart home light or appliance controller via relays\u003c\/li\u003e\n  \u003cli\u003eBluetooth proximity beacon for indoor tracking\u003c\/li\u003e\n  \u003cli\u003eWiFi camera with OV2640 for remote monitoring\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis board works with Arduino IDE, Espressif IDF, and MicroPython. It pairs seamlessly with 3.3V sensors such as DHT22, OLED displays, relay modules, and motor drivers. Most Arduino libraries for ESP32 are supported out of the box.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003ePower and program the board through the micro USB port. All GPIOs are 3.3V tolerant—never apply 5V directly. For external power, connect a regulated 3.3V supply to the 3.3V pin or 5V to the VIN pin to use the onboard regulator.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes, install the ESP32 board package in Arduino IDE and select “ESP32 Dev Module” as the board.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the board include a programmer?\u003c\/summary\u003e\u003cp\u003eYes, a CP2102 USB-to-UART chip is built in, so no external programmer is needed.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the flash memory capacity?\u003c\/summary\u003e\u003cp\u003eThe onboard ESP32-WROOM-32 module has 4 MB of flash memory.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445084283245,"sku":"CDN-0022","price":280.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_ab1e1e72-22b3-47c4-8659-690f99d1e8c9.jpg?v=1781513217"},{"product_id":"esp32s-38pin-development-board-wifi-bluetooth-iot","title":"ESP32S 38Pin Development Board - WiFi \u0026 Bluetooth IoT","description":"\u003ch1\u003eESP32S 38Pin Development Board (WiFi + Bluetooth)\u003c\/h1\u003e\n\u003cp\u003eThe ESP32S 38Pin Development Board integrates a dual-core ESP32 microcontroller with WiFi and Bluetooth Classic\/BLE. It’s designed for wireless IoT projects, sensor logging, and rapid prototyping. Built-in USB programming and an onboard antenna let you start a project in minutes.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eChip\u003c\/td\u003e\n\u003ctd\u003eESP32-D0WDQ6 (dual-core Xtensa LX6)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eClock Speed\u003c\/td\u003e\n\u003ctd\u003eUp to 240 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e4 MB (external SPI flash)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003ctd\u003e520 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eWiFi 802.11 b\/g\/n, Bluetooth 4.2 BR\/EDR + BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGPIO Pins\u003c\/td\u003e\n\u003ctd\u003e26 (multiplexed with ADC, DAC, touch, SPI, I2C, I2S)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWiFi‑enabled LED matrix or NeoPixel controller\u003c\/li\u003e\n  \u003cli\u003eBLE beacon for asset tracking or indoor positioning\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-pi-zero-w-mqtt-home-sensor-hub\"\u003eMQTT‑based home automation hub with sensor nodes\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003eWeather station that pushes data to a cloud dashboard\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eWorks with Arduino IDE, PlatformIO, MicroPython, and ESP-IDF. All GPIOs run at 3.3 V logic; use level shifters when interfacing 5 V modules. Breadboard-friendly pin headers let it connect directly to standard sensors, OLED displays, and relay modules.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003ePower and program through the Micro USB port. The board regulates 5 V down to 3.3 V. Each GPIO pin can source or sink up to 12 mA – drive heavy loads with a transistor or MOSFET.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes. Install the ESP32 board package through Boards Manager and select “ESP32 Dev Module”. The pin definitions map cleanly to standard sketches.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use WiFi and Bluetooth at the same time?\u003c\/summary\u003e\u003cp\u003eWiFi and Bluetooth share the radio, but they can coexist with proper software arbitsration. The ESP32 handles automatic time‑slicing, so dual‑mode applications work well.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the typical Bluetooth range?\u003c\/summary\u003e\u003cp\u003eIn open air the range is about 10 m for BLE and similar for Classic Bluetooth. Walls and interference can reduce it; adding an external antenna (if the module supports it) can extend range.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445084316013,"sku":"CDN-0030","price":460.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_fecc713a-0ce0-4ca8-969d-3264ab0215be.jpg?v=1781513218"},{"product_id":"arduino-uno-r4-wifi-made-in-india-compoden","title":"Arduino UNO R4 WiFi - Made in India | Compoden","description":"\u003ch1\u003eArduino UNO R4 WiFi - Made in India\u003c\/h1\u003e\n\u003cp\u003eThe Arduino UNO R4 WiFi is the latest official board from Arduino, manufactured in India. It combines a Renesas RA4M1 microcontroller with an ESP32-S3 module for WiFi and Bluetooth LE. This board offers a familiar UNO footprint with modern 32-bit performance and wireless connectivity for IoT projects.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eRenesas RA4M1 (Arm Cortex-M4)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eClock Speed\u003c\/td\u003e\n\u003ctd\u003e48 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e256 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003ctd\u003e32 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWireless\u003c\/td\u003e\n\u003ctd\u003eESP32-S3 (WiFi 802.11 b\/g\/n, BLE 5.0)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-home-security-motion-sensor-kit-with-esp32\"\u003eSmart home sensor hub that reports temperature, humidity, and motion to the cloud\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eWiFi-controlled robot with real-time video streaming\u003c\/li\u003e\n  \u003cli\u003eBluetooth low energy beacon for indoor positioning\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003eIoT weather station that publishes data to a web dashboard\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThe board operates at 5V logic and is compatible with most existing Arduino UNO R3 shields. It works in the Arduino IDE 2.x and can be programmed via USB-C or over-the-air updates. Standard 5V sensors, servos, and LCD displays pair directly with the I\/O headers.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eUse the USB-C port for power and programming; the onboard regulator accepts 7-12V on the VIN pin. Digital I\/O pins can source up to 20 mA each. The ESP32-S3 antenna is located near the reset button—keep clear of metal enclosures to maintain signal strength.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino UNO R3 shields?\u003c\/summary\u003e\u003cp\u003eYes, the Arduino UNO R4 WiFi uses the same pinout as the R3, so most 5V-compatible shields plug directly in. Check the shield’s logic voltage if it uses 3.3V only.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this board have built-in WiFi and Bluetooth?\u003c\/summary\u003e\u003cp\u003eYes, the onboard ESP32-S3 module provides 2.4 GHz WiFi (b\/g\/n) and Bluetooth Low Energy 5.0 connectivity without extra hardware.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat programming environment do I need?\u003c\/summary\u003e\u003cp\u003eUse the Arduino IDE 2.0 or later, available for Windows, macOS, and Linux. Install the Arduino UNO R4 boards package from the Boards Manager to get started.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445085397357,"sku":"CDN-0061","price":1400.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_f2383d90-d03b-4e44-a1e1-a7be670069ab.jpg?v=1781513231"},{"product_id":"18-inch-spi-tft-lcd-display-module-128x160-for-arduino","title":"1.8 Inch SPI TFT LCD Display Module 128x160 for Arduino","description":"\u003ch1\u003e1.8 Inch SPI 128x160 TFT LCD Display Module With PCB for Arduino\u003c\/h1\u003e\n\u003cp\u003eThis 1.8-inch TFT LCD display module offers 128x160 pixel resolution and a standard SPI interface, making it easy to add a vibrant color screen to your microcontroller projects. It's widely used for creating user interfaces, game screens, and data dashboards. The onboard PCB includes a microSD card slot and backlight control, simplifying connections.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDisplay Size\u003c\/td\u003e\n\u003ctd\u003e1.8 inch diagonal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e128 (H) x 160 (V) pixels\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDriver IC\u003c\/td\u003e\n\u003ctd\u003eST7735S\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eInterface\u003c\/td\u003e\n\u003ctd\u003e4-wire SPI\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V (5V tolerant via onboard regulator)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOnboard Features\u003c\/td\u003e\n\u003ctd\u003eMicroSD card slot, backlight control pin\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDigital photo frame showing BMP images from the SD card\u003c\/li\u003e\n  \u003cli\u003eRetro handheld game console with joystick and buttons\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-animated-weather-station-display\"\u003eReal-time weather station display fetching data over Wi-Fi\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eMenu-driven interface for home automation control panels\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eWorks with any board supporting SPI: Arduino Uno, Mega, Nano (3.3V logic), ESP8266, ESP32, Raspberry Pi Pico, and STM32. Libraries like Adafruit ST7735 and TFT_eSPI provide easy drawing functions. The 3.3V regulator allows safe power from 5V USB, but logic pins are 3.3V—use a level shifter if your MCU outputs 5V.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect VCC to 3.3V, GND to ground. SPI pins: SCL (SCK), SDA (MOSI), RES (reset), DC (data\/command), CS (chip select), and BL (backlight). On Arduino Uno, common wiring maps to pin 13 (SCK), 11 (MOSI), 9 (CS), 8 (DC), 10 (SD CS if using SD). The backlight draws ~20mA; total module current is under 50mA. Use a 100Ω resistor on BL pin if not PWM-controlled.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino Uno?\u003c\/summary\u003e\u003cp\u003eYes, the SPI interface works with Uno using the hardware SPI pins and digital pins for control. Use the Adafruit ST7735 library for easy setup.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes the module have a microSD card slot?\u003c\/summary\u003e\u0026lt;\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445109219693,"sku":"CDN-0411","price":380.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_b6824e5a-135b-4631-8f2c-626d003453d3.jpg?v=1781513355"},{"product_id":"original-arduino-uno-r4-wifi-board-india","title":"Original Arduino UNO R4 WiFi Board - India","description":"\u003ch1\u003eOriginal Arduino UNO R4 WiFi\u003c\/h1\u003e\n\u003cp\u003eThe Arduino UNO R4 WiFi brings 32-bit performance, wireless connectivity, and an on‑board LED matrix to the classic UNO form factor. It combines a Renesas RA4M1 microcontroller with an Espressif ESP32‑S3 module for Wi‑Fi and Bluetooth® Low Energy, making it ideal for connected projects. With backward‑compatible shield headers and USB‑C, it’s a direct upgrade for any UNO‑based maker board.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eRenesas RA4M1 (Arm Cortex‑M4 @ 48 MHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWireless Module\u003c\/td\u003e\n\u003ctd\u003eESP32‑S3 (Wi‑Fi 802.11 b\/g\/n, Bluetooth 5.0)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e256 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003ctd\u003e32 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDigital I\/O Pins\u003c\/td\u003e\n\u003ctd\u003e14 (6 PWM output)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eAnalog Input Pins\u003c\/td\u003e\n\u003ctd\u003e6 (14‑bit resolution)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eWi‑Fi‑controlled 12×8 LED matrix display\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003eIoT weather station that uploads data to the cloud\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-bluetooth-controlled-car\"\u003eBluetooth‑controlled robot car\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eHome automation relay hub with BLE smartphone control\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThe board is fully pin‑compatible with standard UNO R3 shields. Most 5 V logic shields work directly, but shields that tap I2C or SPI on the ESP32‑S3 may need 3.3 V level translation. It programs through Arduino IDE 2.0 and pairs seamlessly with popular sensor modules, motor drivers, and relay boards.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eUse the USB‑C port on the RA4M1 side for power and programming. The Vin pin accepts 6–24 V DC from external supplies, regulated to 5 V and 3.3 V onboard. The 12×8 LED matrix is driven via an internal serial interface—no extra wiring needed. Keep total current draw below 200 mA when powered from USB.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino UNO R3 shields?\u003c\/summary\u003e\u003cp\u003eYes, the physical headers and pinout match UNO R3. Some shields that use SPI or I2C may require library tweaks because the ESP32‑S3 handles wireless communication on the same buses; check the shield’s logic voltage levels for compatibility.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I program the ESP32‑S3 directly?\u003c\/summary\u003e\u003cp\u003eAbsolutely. The ESP32‑S3 appears as a separate USB‑C port when you connect a second cable. You can program it using the Arduino ESP32 core, allowing custom firmware on the wireless module while the RA4M1 runs your main sketch.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat library controls the built‑in LED matrix?\u003c\/summary\u003e\u003cp\u003eThe Arduino_UNO_R4_LED_Matrix library (included with the board package) handles the 12×8 red LED grid. You can display scrolling text, icons, or simple animations with just a few lines of code.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445110137197,"sku":"CDN-0437","price":1400.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_c6fd6f9f-2358-4f40-8eb5-626f86d801b1.jpg?v=1781513369"},{"product_id":"sim800l-gsm-module-for-arduino-esp32-raspberry-pi-compoden","title":"SIM800L GSM Module for Arduino, ESP32, Raspberry Pi | Compoden","description":"\u003ch1\u003eSIM800L GSM Module\u003c\/h1\u003e\n\u003cp\u003eThe SIM800L is a compact quad-band GSM\/GPRS module supporting 850\/900\/1800\/1900 MHz bands. It enables SMS, voice calls, and GPRS data connectivity for microcontrollers like Arduino, ESP32, and Raspberry Pi. Ideal for IoT applications requiring cellular communication with low power footprint.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSupported Bands\u003c\/td\u003e\n\u003ctd\u003e850\/900\/1800\/1900 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGPRS Class\u003c\/td\u003e\n\u003ctd\u003eClass 12\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCommunication\u003c\/td\u003e\n\u003ctd\u003eAT commands via UART\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e3.4V - 4.4V (peak 2A)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSIM Card\u003c\/td\u003e\n\u003ctd\u003eMicro SIM\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e24mm x 24mm x 3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eRemote SMS-controlled relay switch\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/esp32-gps-tracker-kit-build-a-live-tracking-dashboard\"\u003eGPS tracker with voice feedback\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003eWeather station sending data via GPRS\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eVehicle anti-theft alert system\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThe SIM800L uses 3.3V logic but many breakout boards are 5V tolerant. It works with Arduino Uno\/Mega (with 5V tolerance), ESP32, and Raspberry Pi (level-shift required). Requires a stable 4V supply capable of 2A peaks; we recommend a dedicated Li-Po battery or a 3.7V–4.2V buck converter. Pair with a GPS module like NEO-6M for live tracking.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eConnect VCC to a 3.7–4.2V power source (not to Arduino 5V), GND to common ground, TX to RX of microcontroller, RX to TX. Use a 1kΩ resistor on RX for 5V micros. Ensure antenna is connected before powering.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino Uno?\u003c\/summary\u003e\u003cp\u003eYes, the SIM800L can communicate with Arduino Uno using Serial (SoftwareSerial). Make sure to power the module with a separate 3.7–4.2V supply as the Arduino 5V cannot provide the required peak current.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it support 4G\/LTE networks?\u003c\/summary\u003e\u003cp\u003eNo, the SIM800L only supports 2G GSM\/GPRS networks. For 4G, consider SIM7600 modules.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat SIM card does it use?\u003c\/summary\u003e\u003cp\u003eIt uses a standard Micro SIM. Ensure the SIM is unlocked and has active SMS and data plan. 2G network must be available in your area.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445147328877,"sku":"CDN-0877","price":410.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_339af600-472c-4546-9842-112d775778e4.jpg?v=1781513531"},{"product_id":"kit-active-exoskeleton-finger-rehab-device","title":"Active Exoskeleton Finger Rehab Device","description":"\u003ch1\u003eBuild an Active Exoskeleton Finger Rehab Device with ESP32 Physiotherapy Control\u003c\/h1\u003e\n\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 20-25 hrs\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 25+\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e Biomechatronic design \u0026amp; force-feedback control\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eRegain finger mobility with a custom-built active exoskeleton. This kit lets you assemble a wearable device that gently flexes and extends fingers under programmatic control, mimicking the repetitive motion exercises used in physiotherapy for stroke recovery, tendon repair, or arthritis management. The ESP32 drives four high-precision servo splints, while FSR pressure sensors monitor contact force at each fingertip to prevent over‑extension and adapt movement in real time.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eA lightweight exoskeleton that straps onto the hand and guides each finger through a programmed range of motion. The MPU6050 inertial sensor tracks hand orientation for logging therapy progress on the 0.96‑inch OLED. With closed‑loop servo control, the system ramps force gently until the preset pressure threshold is reached, ensuring safe, repeatable exercises. After assembly, you’ll have a functional prototype ready for research, academic demonstration, or personal use in mobility assistance.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eProgramming closed‑loop servo control using FSR force feedback\u003c\/li\u003e\n  \u003cli\u003eInterfacing the MPU6050 for real‑time motion tracking and angle feedback\u003c\/li\u003e\n  \u003cli\u003eDesigning and calibrating a wearable biomechatronic system\u003c\/li\u003e\n  \u003cli\u003eImplementing a customisable physiotherapy protocol on the ESP32 with OLED interface\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMG90S Servo\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFSR 402 Force Sensor\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMPU6050\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0.96in OLED\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e10kΩ Resistors\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100nF Caps\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLM2596 Buck Converter\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e7.4V LiPo 2000mAh\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e3D Printed Splint Frame\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eVelcro Strap\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePCB Prototype Board\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoldering Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolder Wire\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatibility checks\u003c\/td\u003e\n\u003ctd\u003eYou verify every part\u003c\/td\u003e\n\u003ctd\u003ePre-tested as a system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuild support\u003c\/td\u003e\n\u003ctd\u003eForums and scattered tutorials\u003c\/td\u003e\n\u003ctd\u003eAI companion trained on this exact project\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTime to first working build\u003c\/td\u003e\n\u003ctd\u003eDays of debugging\u003c\/td\u003e\n\u003ctd\u003eHours, with step-by-step guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping coordination\u003c\/td\u003e\n\u003ctd\u003eMultiple sellers, multiple delays\u003c\/td\u003e\n\u003ctd\u003eOne shipment from Bengaluru in 3-5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Kit Is For\u003c\/h2\u003e\n\u003cp\u003eThis advanced kit suits final‑year B.Tech\/M.Tech students in biomedical, electronics, or robotics engineering who need a capstone project with direct clinical relevance. Researchers at IITs, NITs, or medical institutions prototyping low‑cost rehabilitation devices will find the pre‑integrated sensing and actuation invaluable. Makers with prior embedded‑systems experience who want to build an assistive device for a family member or compete in the Smart India Hackathon will appreciate the ready‑to‑assemble, validated design.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat if I get stuck during the build?\u003c\/summary\u003e\u003cp\u003eThe AI companion provides real‑time debugging; you can also reach us on WhatsApp for direct guidance on this specific exoskeleton project.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I adjust the splints for different finger sizes?\u003c\/summary\u003e\u003cp\u003eThe 3D‑printed frame is designed with adjustable Velcro straps and multiple mounting points, allowing a snug fit on most adult hands—the AI guide shows you how to fine‑tune it.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I reprogram the physiotherapy motion sequences?\u003c\/summary\u003e\u003cp\u003eYes, the ESP32 is fully open. The included code examples cover several therapy modes (passive, assistive, resistive), and you can modify them to match a therapist’s protocol.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this kit cleared for clinical or home medical use?\u003c\/summary\u003e\u003cp\u003eThis is a prototyping platform for research and education, not a certified medical device. Use it in supervised settings or as a basis for further development.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eFour servo-actuated finger splints with FSR pressure feedback run a physiotherapy motion program from an ESP32.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/esp32-30-pin-development-board-cp2102-wifi-bluetooth\"\u003eESP32 Dev Board\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/mg90s-metal-gear-micro-servo-18kg-cm-torque\"\u003eMG90S Servo\u003c\/a\u003e x4\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/05-inch-circular-force-sensor-fsr-compoden\"\u003eFSR 402 Force Sensor\u003c\/a\u003e x4\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/mpu6050-imu-module-6-axis-gyro-accelerometer-for-arduino\"\u003eMPU6050\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/096in-oled-display-128x64-i2cspi-for-arduino-raspberry-pi\"\u003e0.96in OLED\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/resistor-variety-pack-100-pcs-10-values-14w-carbon-film\"\u003e10kΩ Resistors\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/capacitor-variety-pack-6-values-100nf-to-470uf-30-pieces\"\u003e100nF Caps\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/lm2596-buck-converter-step-down-voltage-regulator-module\"\u003eLM2596 Buck Converter\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/74v-lipo-2000mah-battery-2s-20c-for-drones-diy\"\u003e7.4V LiPo 2000mAh\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/l293d-motor-driver-shield-for-arduino-drive-dc-stepper-motors\"\u003e3D Printed Splint Frame\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/velcro-anti-static-wristband-esd-safe-compoden\"\u003eVelcro Strap\u003c\/a\u003e x4\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp-wroom-32-breakout-board-pcb-55x52mm\"\u003ePCB Prototype Board\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSoldering Iron\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSolder Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the Active Exoskeleton Finger Rehab Device?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Active Exoskeleton Finger Rehab Device includes all components needed: ESP32 Dev Board, MG90S Servo, FSR 402 Force Sensor, MPU6050, 0.96in OLED and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the Active Exoskeleton Finger Rehab Device?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Expert level makers, suitable for ages 25+. Four servo-actuated finger splints with FSR pressure feedback run a physiotherapy motion program from an ESP32. Estimated build time is 20-25 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the Active Exoskeleton Finger Rehab Device online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Active Exoskeleton Finger Rehab Device is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Active Exoskeleton Finger Rehab Device\",\n  \"description\": \"Four servo-actuated finger splints with FSR pressure feedback run a physiotherapy motion program from an ESP32.\",\n  \"sku\": \"CDN-KIT-0036\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-active-exoskeleton-finger-rehab-device\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"7505\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Robotics \u0026 Motion\"\n}\n\u003c\/script\u003e\u003cp\u003e\u003cstrong\u003eChoose your assembly option:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering Kit\u003c\/strong\u003e — 25W soldering iron, 60\/40 solder wire, flux, and small perfboard for permanent assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard Combo\u003c\/strong\u003e — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Compoden","offers":[{"title":"Soldering Kit","offer_id":53459766182253,"sku":"CDN-KIT-0036-SLD","price":7290.0,"currency_code":"INR","in_stock":true},{"title":"Breadboard Combo","offer_id":53459766215021,"sku":"CDN-KIT-0036-BB","price":6690.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-active-exoskeleton-finger-rehab-device.png?v=1781944202"},{"product_id":"kit-pipe-inspection-robot","title":"Pipe Robot Kit with Arduino Mega + Motor","description":"\u003ch1\u003eBuild a Live Video-Streaming Pipe Inspection Robot with Arduino Nano and ESP32-CAM\u003c\/h1\u003e\n\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 8-10 hours\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 18-21\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e Robotics \u0026amp; live video system integration\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eDeploy a compact wheeled robot that crawls through 110mm PVC pipelines and streams real-time video over Wi-Fi. Ideal for engineering students designing inspection prototypes, this kit combines the Arduino Nano’s motor control with an ESP32-CAM’s live streaming — the exact setup used by Smart India Hackathon teams tackling urban infrastructure monitoring.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eYou'll assemble a fully mobile pipe-crawler that fits inside standard 110mm drainage or conduit pipes. Once built, you control its forward, reverse, and steering from any web browser while watching a low-latency video feed. Use it to inspect joint alignment, blockages, or internal surface conditions without opening the pipe run.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eIntegrate an Arduino Nano with the ESP32-CAM module for synchronized video streaming and motor control\u003c\/li\u003e\n  \u003cli\u003eWire and calibrate an L298N dual H-bridge to drive two TT gear motors with pulse-width modulation\u003c\/li\u003e\n  \u003cli\u003eBuild a stable battery pack using 18650 cells and a buck converter to deliver clean 5V and 3.3V rails\u003c\/li\u003e\n  \u003cli\u003eSolder components onto a prototype board while designing for a compact 2WD chassis\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eArduino Nano\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32-CAM\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eL298N Driver\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTT Gear Motor\u003c\/td\u003e\n\u003ctd\u003ex2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Cell\u003c\/td\u003e\n\u003ctd\u003ex2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Holder\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLM2596 Buck Converter\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100nF Caps\u003c\/td\u003e\n\u003ctd\u003ex5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e10kΩ Resistors\u003c\/td\u003e\n\u003ctd\u003ex5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePCB Prototype Board\u003c\/td\u003e\n\u003ctd\u003ex2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e2WD Chassis\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoldering Iron\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolder Wire\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatibility checks\u003c\/td\u003e\n\u003ctd\u003eYou verify every part\u003c\/td\u003e\n\u003ctd\u003ePre-tested as a system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuild support\u003c\/td\u003e\n\u003ctd\u003eForums and scattered tutorials\u003c\/td\u003e\n\u003ctd\u003eAI companion trained on this exact project\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTime to first working build\u003c\/td\u003e\n\u003ctd\u003eDays of debugging\u003c\/td\u003e\n\u003ctd\u003eHours, with step-by-step guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping coordination\u003c\/td\u003e\n\u003ctd\u003eMultiple sellers, multiple delays\u003c\/td\u003e\n\u003ctd\u003eOne shipment from Bengaluru in 3-5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Kit Is For\u003c\/h2\u003e\n\u003cp\u003eThis kit suits B.Tech ECE\/EEE students tackling final-year robotics projects, especially those focusing on pipeline inspection for municipal or industrial applications. ATL Tinkering Lab mentors and Smart India Hackathon participants will find the compact chassis and streaming integration ideal for real-world prototyping. Students at IITs, NITs, VIT, or BITS Pilani working on autonomous systems or IoT monitoring will benefit from the hands-on integration challenge.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat if I get stuck during the build?\u003c\/summary\u003e\u003cp\u003eScan the QR code to open the AI companion, which guides you step-by-step through wiring, code upload, and troubleshooting. You can also message us on WhatsApp for direct support.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use this robot to inspect actual drainage pipes?\u003c\/summary\u003e\u003cp\u003eThe chassis is designed for 110mm PVC pipes. While it can traverse clean dry pipes, it lacks an IP rating for wet or hazardous environments. Always test in a safe setting first.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I need programming experience to upload the code?\u003c\/summary\u003e\u003cp\u003eBasic familiarity with the Arduino IDE helps, but the AI companion provides ready-to-upload sketches and detailed explanations. No advanced coding required.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I view the live video stream?\u003c\/summary\u003e\u003cp\u003eThe ESP32-CAM creates its own Wi-Fi access point. Connect your phone or laptop to that network and open the provided IP address in a browser — the interface shows the stream and basic movement controls.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eWheeled robot with ESP32-CAM streams live video as it navigates through 110mm PVC pipe sections.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/nano-r3-ch340-development-board-arduino-compatible-no-cable\"\u003eArduino Nano\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/esp32-cam-mb-programmer-module-with-micro-usb-ch340g-plug-play\"\u003eESP32-CAM\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/l298n-motor-driver-module-specs-pinout-projects-compoden\"\u003eL298N Driver\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/tt-gear-motor-high-torque-dc-motor-for-arduino-robotics\"\u003eTT Gear Motor\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/18650-cell-37v-2600mah-li-ion-battery\"\u003e18650 Cell\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/18650-battery-holder-single-cell-cylindrical-holder-for-diy-electronics\"\u003e18650 Holder\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/lm2596-buck-converter-step-down-voltage-regulator-module\"\u003eLM2596 Buck Converter\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/capacitor-variety-pack-6-values-100nf-to-470uf-30-pieces\"\u003e100nF Caps\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/resistor-variety-pack-100-pcs-10-values-14w-carbon-film\"\u003e10kΩ Resistors\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp-wroom-32-breakout-board-pcb-55x52mm\"\u003ePCB Prototype Board\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/2wd-robot-chassis-kit-with-motors-and-wheels-for-diy-robotics\"\u003e2WD Chassis\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSoldering Iron\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSolder Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the Pipe Robot Kit with Arduino Mega + Motor?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Pipe Robot Kit with Arduino Mega + Motor includes all components needed: Arduino Nano, ESP32-CAM, L298N Driver, TT Gear Motor, 18650 Cell and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the Pipe Robot Kit with Arduino Mega + Motor?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Advanced level makers, suitable for ages 18-21. Wheeled robot with ESP32-CAM streams live video as it navigates through 110mm PVC pipe sections. Estimated build time is 8-10 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the Pipe Robot Kit with Arduino Mega + Motor online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Pipe Robot Kit with Arduino Mega + Motor is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Pipe Robot Kit with Arduino Mega + Motor\",\n  \"description\": \"Wheeled robot with ESP32-CAM streams live video as it navigates through 110mm PVC pipe sections.\",\n  \"sku\": \"CDN-KIT-0062\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-pipe-inspection-robot\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"3960\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Robotics \u0026 Motion\"\n}\n\u003c\/script\u003e\u003cp\u003e\u003cstrong\u003eChoose your assembly option:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering Kit\u003c\/strong\u003e — 25W soldering iron, 60\/40 solder wire, flux, and small perfboard for permanent assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard Combo\u003c\/strong\u003e — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Compoden","offers":[{"title":"Clone \/ Soldering Kit","offer_id":53455241838957,"sku":"CDN-KIT-0062-CL-SLD","price":3290.0,"currency_code":"INR","in_stock":true},{"title":"Clone \/ Breadboard Combo","offer_id":53459767329133,"sku":"CDN-KIT-0062-CL-BB","price":2760.0,"currency_code":"INR","in_stock":true},{"title":"R3 Original \/ Soldering Kit","offer_id":53455241871725,"sku":"CDN-KIT-0062-R3-SLD","price":5720.0,"currency_code":"INR","in_stock":true},{"title":"R3 Original \/ Breadboard Combo","offer_id":53459767361901,"sku":"CDN-KIT-0062-R3-BB","price":5190.0,"currency_code":"INR","in_stock":true},{"title":"R4 WiFi \/ Soldering Kit","offer_id":53455241904493,"sku":"CDN-KIT-0062-R4-SLD","price":5040.0,"currency_code":"INR","in_stock":true},{"title":"R4 WiFi \/ Breadboard Combo","offer_id":53459767394669,"sku":"CDN-KIT-0062-R4-BB","price":4510.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-pipe-inspection-robot.png?v=1781944216"},{"product_id":"kit-iot-weather-station-with-cloud-dashboard","title":"IoT Weather Station with Cloud Dashboard","description":"\u003ch1\u003eESP32 IoT Weather Station Kit: Monitor Temperature, Humidity, UV, and Rain on a Live Grafana Dashboard\u003c\/h1\u003e\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 10-12 hrs\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 25+\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e Cloud-based environmental data acquisition and IoT system integration\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eDeploy a fully functional weather monitoring station that measures ambient temperature, humidity, barometric pressure, UV index, and rainfall. Data streams wirelessly via MQTT to an InfluxDB time-series database and appears on a customizable Grafana dashboard — accessible from any browser. Ideal for agricultural IoT, research weather stations, or proof-of-concept cloud-connected sensor networks.\u003c\/p\u003e\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eA weatherproof outdoor enclosure housing an ESP32 microcontroller that reads multiple environmental sensors, logs data with precise timestamps from an RTC, caches measurements on microSD, and transmits payloads over Wi-Fi to an MQTT broker. The live Grafana dashboard displays trend graphs, gauges, and alerts for temperature, humidity, pressure, UV index, and rainfall.\u003c\/p\u003e\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eIntegrate multiple I2C, analog, and digital sensors on the ESP32 platform\u003c\/li\u003e\n  \u003cli\u003eSet up an MQTT broker and InfluxDB time-series database for IoT data pipelines\u003c\/li\u003e\n  \u003cli\u003eDesign a Grafana dashboard with dynamic visualizations and alert rules\u003c\/li\u003e\n  \u003cli\u003eDeploy a battery-powered, solar-capable field station using power management and waterproofing\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDHT22\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBMP280\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eML8511 UV\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRain Sensor\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDS3231 RTC\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicroSD Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1.8in TFT ST7735\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLM2596 Buck Converter\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Cell\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Holder\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTP4056 Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e10kΩ Resistors\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.7kΩ Resistors\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100nF Caps\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1N5819 Diode\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePCB Prototype Board\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWaterproof Enclosure\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoldering Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolder Wire\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatibility checks\u003c\/td\u003e\n\u003ctd\u003eYou verify every part\u003c\/td\u003e\n\u003ctd\u003ePre-tested as a system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuild support\u003c\/td\u003e\n\u003ctd\u003eForums and scattered tutorials\u003c\/td\u003e\n\u003ctd\u003eAI companion trained on this exact project\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTime to first working build\u003c\/td\u003e\n\u003ctd\u003eDays of debugging\u003c\/td\u003e\n\u003ctd\u003eHours, with step-by-step guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping coordination\u003c\/td\u003e\n\u003ctd\u003eMultiple sellers, multiple delays\u003c\/td\u003e\n\u003ctd\u003eOne shipment from Bengaluru in 3-5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWho This Kit Is For\u003c\/h2\u003e\n\u003cp\u003eThis kit suits electrical engineering students pursuing B.Tech or M.Tech final-year projects in IoT or sensor networks, researchers in agriculture or environmental science needing a ready-to-deploy weather station, and hobbyists who have built basic Arduino projects and want to move to cloud-connected embedded systems. The project aligns with Smart India Hackathon hardware themes and IIT\/NIT lab curricula that emphasize wireless sensor networks and time-series analytics.\u003c\/p\u003e\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat if I get stuck during the build?\u003c\/summary\u003e\u003cp\u003eIf a step isn't working, open the AI companion via QR code — it's trained on this kit's exact wiring and software setup. If that's not enough, WhatsApp us and a build expert will help the same day.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eESP32 publishes temperature, humidity, pressure, UV, rain to MQTT broker. Live Grafana dashboard via InfluxDB.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/esp32-30-pin-development-board-cp2102-wifi-bluetooth\"\u003eESP32 Dev Board\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/dht22-temperature-humidity-sensor-module-accurate-readings\"\u003eDHT22\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/bmp280-barometric-pressure-temperature-sensor-module-compodenin\"\u003eBMP280\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003eML8511 UV\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/bf350-high-precision-strain-gauge-pressure-sensor-module\"\u003eRain Sensor\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/ds3231-real-time-clock-module-i2c-rtc-with-battery-backup\"\u003eDS3231 RTC\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/microsd-card-reader-spi-module-for-arduino\"\u003eMicroSD Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/18-inch-spi-128x160-tft-lcd-display-module-for-arduino\"\u003e1.8in TFT ST7735\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/lm2596-buck-converter-step-down-voltage-regulator-module\"\u003eLM2596 Buck Converter\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/18650-cell-37v-2600mah-li-ion-battery\"\u003e18650 Cell\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/18650-battery-holder-single-cell-cylindrical-holder-for-diy-electronics\"\u003e18650 Holder\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/tp4056-1a-li-ion-charger-module-with-protection-micro-usb\"\u003eTP4056 Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/resistor-variety-pack-100-pcs-10-values-14w-carbon-film\"\u003e10kΩ Resistors\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/resistor-variety-pack-100-pcs-10-values-14w-carbon-film\"\u003e4.7kΩ Resistors\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/capacitor-variety-pack-6-values-100nf-to-470uf-30-pieces\"\u003e100nF Caps\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/1n5819-schottky-diode-1a-40v-fast-switching-for-power-supplies\"\u003e1N5819 Diode\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp-wroom-32-breakout-board-pcb-55x52mm\"\u003ePCB Prototype Board\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/waterproof-enclosure-ip65-abs-plastic-100x68x50mm-for-electronics\"\u003eWaterproof Enclosure\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSoldering Iron\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSolder Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the IoT Weather Station with Cloud Dashboard?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The IoT Weather Station with Cloud Dashboard includes all components needed: ESP32 Dev Board, DHT22, BMP280, ML8511 UV, Rain Sensor and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the IoT Weather Station with Cloud Dashboard?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Expert level makers, suitable for ages 25+. ESP32 publishes temperature, humidity, pressure, UV, rain to MQTT broker. Live Grafana dashboard via InfluxDB. Estimated build time is 10-12 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the IoT Weather Station with Cloud Dashboard online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the IoT Weather Station with Cloud Dashboard is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"IoT Weather Station with Cloud Dashboard\",\n  \"description\": \"ESP32 publishes temperature, humidity, pressure, UV, rain to MQTT broker. Live Grafana dashboard via InfluxDB.\",\n  \"sku\": \"CDN-KIT-0131\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-iot-weather-station-with-cloud-dashboard\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"9530\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Weather \u0026 Environment\"\n}\n\u003c\/script\u003e\u003cp\u003e\u003cstrong\u003eChoose your assembly option:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering Kit\u003c\/strong\u003e — 25W soldering iron, 60\/40 solder wire, flux, and small perfboard for permanent assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard Combo\u003c\/strong\u003e — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e\u003c\/summary\u003e\u003c\/details\u003e","brand":"Compoden","offers":[{"title":"Soldering Kit","offer_id":53459770114413,"sku":"CDN-KIT-0131-SLD","price":10100.0,"currency_code":"INR","in_stock":true},{"title":"Breadboard Combo","offer_id":53459770147181,"sku":"CDN-KIT-0131-BB","price":9500.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-iot-weather-station-with-cloud-dashboard.png?v=1781944255"},{"product_id":"kit-lora-environmental-sensor-network","title":"LoRa Environmental Sensor Network","description":"\u003ch1\u003eLoRa Environmental Sensor Network Kit with ESP32 Gateway \u0026amp; Cloud Dashboard\u003c\/h1\u003e\n\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 12-15 hrs\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 25+\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e LoRa Mesh Networking \u0026amp; Cloud Data Pipeline\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eDeploy four battery-powered LoRa sensor nodes across a field, each measuring temperature, humidity, soil moisture, and atmospheric pressure, then watch the data stream in real time to a cloud dashboard via an ESP32 gateway. This kit turns the concept of precision agriculture into a working, scalable sensor network — ideal for crop management, campus micro-climate studies, and Smart India Hackathon submissions.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eA field-ready environmental monitoring system with four independent nodes communicating to a central gateway over LoRa. The gateway aggregates temperature, humidity, soil moisture, and barometric pressure data and pushes it to a cloud platform where you can visualize trends, set alerts, and analyse historical patterns. Each node fits into a waterproof enclosure, ready for outdoor deployment on farms, research plots, or college campuses.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eConfiguring RA-02 LoRa SX1278 modules for long-range mesh communication between Arduino Nano nodes\u003c\/li\u003e\n  \u003cli\u003eInterfacing DHT22, BMP280, and soil moisture sensors with both Arduino Nano and ESP32\u003c\/li\u003e\n  \u003cli\u003eDesigning battery-powered 18650 nodes with LM2596 buck regulation for stable 3.3V\/5V operation\u003c\/li\u003e\n  \u003cli\u003eBuilding a cloud integration pipeline using MQTT to stream sensor arrays to platforms like ThingSpeak or Blynk\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eArduino Nano\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRA-02 LoRa SX1278\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDHT22\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBMP280\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoil Moisture Sensor\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e433MHz Antenna\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Cell\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Holder\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLM2596 Buck Converter\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100nF Caps\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.7kΩ Resistors\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePCB Prototype Board\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWaterproof Enclosures\u003c\/td\u003e\n\u003ctd\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoldering Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolder Wire\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatibility checks\u003c\/td\u003e\n\u003ctd\u003eYou verify every part\u003c\/td\u003e\n\u003ctd\u003ePre-tested as a system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuild support\u003c\/td\u003e\n\u003ctd\u003eForums and scattered tutorials\u003c\/td\u003e\n\u003ctd\u003eAI companion trained on this exact project\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTime to first working build\u003c\/td\u003e\n\u003ctd\u003eDays of debugging\u003c\/td\u003e\n\u003ctd\u003eHours, with step-by-step guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping coordination\u003c\/td\u003e\n\u003ctd\u003eMultiple sellers, multiple delays\u003c\/td\u003e\n\u003ctd\u003eOne shipment from Bengaluru in 3-5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Kit Is For\u003c\/h2\u003e\n\u003cp\u003eDesigned for B.Tech ECE\/EEE students working on final-year IoT projects, research scholars at IIT\/NIT\/VIT deploying field sensor networks, and professionals prototyping agricultural monitoring solutions. Smart India Hackathon teams building climate-resilience gadgets will find a ready-to-assemble wireless backbone, while ATL mentors can use it for college-level tinkering workshops.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat if I get stuck during the build?\u003c\/summary\u003e\u003cp\u003eScan the QR code for the AI build companion, which walks you through every wiring step and code upload. WhatsApp support is also available for tricky debugging.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I deploy this kit in an agricultural field without Wi-Fi?\u003c\/summary\u003e\u003cp\u003eYes. The LoRa nodes communicate up to several kilometres line-of-sight. The gateway can upload data over a cellular hotspot or store it locally on an SD card until a connection is available.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I power the sensor nodes in remote locations?\u003c\/summary\u003e\u003cp\u003eEach node runs on an 18650 Li-ion cell via an LM2596 buck converter. You can easily add a small solar panel for trickle charging during long-term field deployments.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the cloud dashboard configurable?\u003c\/summary\u003e\u003cp\u003eAbsolutely. Sample code is provided for ThingSpeak and Blynk, but the MQTT-based pipeline lets you integrate with any custom web dashboard or analytics platform.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eFour LoRa nodes spread across a field send micro-climate data to a gateway ESP32 which uploads to cloud.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp32-30-pin-development-board-cp2102-wifi-bluetooth\"\u003eESP32 Dev Board\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/nano-r3-ch340-development-board-arduino-compatible-no-cable\"\u003eArduino Nano\u003c\/a\u003e x3\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/ra-02-lora-module-433470mhz-sx1278-spi-for-arduino-iot\"\u003eRA-02 LoRa SX1278\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/dht22-temperature-humidity-sensor-module-accurate-readings\"\u003eDHT22\u003c\/a\u003e x4\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/bmp280-barometric-pressure-temperature-sensor-module-compodenin\"\u003eBMP280\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/soil-moisture-sensor-module-analog-digital-output-compoden\"\u003eSoil Moisture Sensor\u003c\/a\u003e x3\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/433mhz-antenna-quarter-wave-helical-for-rf-modules\"\u003e433MHz Antenna\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/18650-cell-37v-2600mah-li-ion-battery\"\u003e18650 Cell\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/18650-battery-holder-single-cell-cylindrical-holder-for-diy-electronics\"\u003e18650 Holder\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/lm2596-buck-converter-step-down-voltage-regulator-module\"\u003eLM2596 Buck Converter\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/capacitor-variety-pack-6-values-100nf-to-470uf-30-pieces\"\u003e100nF Caps\u003c\/a\u003e x20\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/resistor-variety-pack-100-pcs-10-values-14w-carbon-film\"\u003e4.7kΩ Resistors\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp-wroom-32-breakout-board-pcb-55x52mm\"\u003ePCB Prototype Board\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/infrared-waterproof-beam-sensor-single-beam-20m-range\"\u003eWaterproof Enclosures\u003c\/a\u003e x4\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSoldering Iron\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSolder Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the LoRa Environmental Sensor Network?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The LoRa Environmental Sensor Network includes all components needed: ESP32 Dev Board, Arduino Nano, RA-02 LoRa SX1278, DHT22, BMP280 and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the LoRa Environmental Sensor Network?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Expert level makers, suitable for ages 25+. Four LoRa nodes spread across a field send micro-climate data to a gateway ESP32 which uploads to cloud. Estimated build time is 12-15 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the LoRa Environmental Sensor Network online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the LoRa Environmental Sensor Network is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"LoRa Environmental Sensor Network\",\n  \"description\": \"Four LoRa nodes spread across a field send micro-climate data to a gateway ESP32 which uploads to cloud.\",\n  \"sku\": \"CDN-KIT-0132\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-lora-environmental-sensor-network\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"14050\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Weather \u0026 Environment\"\n}\n\u003c\/script\u003e\u003cp\u003e\u003cstrong\u003eChoose your assembly option:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering Kit\u003c\/strong\u003e — 25W soldering iron, 60\/40 solder wire, flux, and small perfboard for permanent assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard Combo\u003c\/strong\u003e — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Compoden","offers":[{"title":"Soldering Kit","offer_id":53459770179949,"sku":"CDN-KIT-0132-SLD","price":17380.0,"currency_code":"INR","in_stock":true},{"title":"Breadboard Combo","offer_id":53459770212717,"sku":"CDN-KIT-0132-BB","price":16780.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-lora-environmental-sensor-network.png?v=1781944257"},{"product_id":"kit-stratospheric-ozone-proxy-monitor","title":"Stratospheric Ozone Proxy Monitor","description":"\u003ch1\u003eESP32 Stratospheric Ozone Monitoring Kit — Build a Dobson Unit Proxy for Field Research\u003c\/h1\u003e\n\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 15–20 hours\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 25+\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e Environmental sensor calibration and data analysis\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eTurn your workbench into an atmospheric observatory. This kit guides you through building a portable field instrument that captures dual-band UV irradiance, compensates for altitude using precision barometric pressure, and records time-stamped data — all to compute a locally meaningful proxy for stratospheric ozone concentration in Dobson units. Whether you’re contributing to a grassroots climate monitoring network or validating satellite overpass data, this project delivers rigorous, repeatable measurements.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eYou’ll assemble a self-contained, weather-resistant monitor that deploys two ML8511 UV-A\/UV-B sensors alongside a BMP280 environmental pressure sensor. The ESP32 processes irradiance ratios, applies real-time altitude correction, and logs calibrated ozone proxy values to a microSD card. A 1.8-inch TFT provides instant readings, and the integrated solar charging system keeps the unit running unattended for days of continuous data collection.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCalibrate dual ML8511 sensors for UV-A and UV-B irradiance measurement\u003c\/li\u003e\n  \u003cli\u003eApply BMP280 pressure data to correct UV measurements for altitude and air mass\u003c\/li\u003e\n  \u003cli\u003eCompute a Dobson unit proxy using established aerosol and ozone retrieval principles\u003c\/li\u003e\n  \u003cli\u003eBuild a solar-powered, time-stamped data logger with DS3231 RTC and microSD for long-term field studies\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eML8511 UV Sensor\u003c\/td\u003e\n\u003ctd\u003ex2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBMP280\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDHT22\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDS3231 RTC\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicroSD Module\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e1.8in TFT ST7735\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLM2596 Buck Converter\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Cell\u003c\/td\u003e\n\u003ctd\u003ex2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Holder\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100nF Caps\u003c\/td\u003e\n\u003ctd\u003ex10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.7kΩ Resistors\u003c\/td\u003e\n\u003ctd\u003ex5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePCB Prototype Board\u003c\/td\u003e\n\u003ctd\u003ex2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolar Panel 6V 1W\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWaterproof Enclosure\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoldering Iron\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolder Wire\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatibility checks\u003c\/td\u003e\n\u003ctd\u003eYou verify every part\u003c\/td\u003e\n\u003ctd\u003ePre-tested as a system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuild support\u003c\/td\u003e\n\u003ctd\u003eForums and scattered tutorials\u003c\/td\u003e\n\u003ctd\u003eAI companion trained on this exact project\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTime to first working build\u003c\/td\u003e\n\u003ctd\u003eDays of debugging\u003c\/td\u003e\n\u003ctd\u003eHours, with step-by-step guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping coordination\u003c\/td\u003e\n\u003ctd\u003eMultiple sellers, multiple delays\u003c\/td\u003e\n\u003ctd\u003eOne shipment from Bengaluru in 3-5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Kit Is For\u003c\/h2\u003e\n\u003cp\u003eDesigned for graduate researchers, environmental engineers, and advanced citizen scientists across India. Ideal for B.Tech ECE\/EEE final year projects exploring atmospheric instrumentation, M.Sc. environmental science theses on local ozone trends, and IIT\/NIT research labs validating low-cost sensor networks against satellite data. The build assumes experience with soldering, microcontroller programming, and basic physics of radiative transfer.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat if I get stuck during the build?\u003c\/summary\u003e\u003cp\u003eScan the QR code on the box for your AI companion — it understands every wiring detail and calibration step for this specific project. If you need a human, WhatsApp assistance is included.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow accurate is the Dobson unit proxy compared to standard instruments?\u003c\/summary\u003e\u003cp\u003eThe system produces a relative proxy; absolute accuracy depends on careful sensor cross-calibration and site-specific aerosol assumptions. You’ll learn the correction methodology to achieve correlations above 0.8 with local Brewer or Dobson spectrophotometers when validated under clear-sky conditions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan the monitor be deployed outdoors permanently?\u003c\/summary\u003e\u003cp\u003eYes. The waterproof enclosure, solar panel, and 18650 cells are rated for continuous outdoor use. The DS3231 RTC ensures uninterrupted timekeeping through power cycles, and the microSD log is structured for weeks of autonomous data collection.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat role does the BMP280 play in ozone estimation?\u003c\/summary\u003e\u003cp\u003eOzone retrieval relies on the ratio of UV-A to UV-B irradiance, which changes with atmospheric path length. The BMP280 provides real-time pressure and altitude data to correct for air mass, turning raw UV measurements into meaningful column ozone estimates.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eML8511 UV-A and UV-B sensors with BMP280 altitude correction compute a proxy Dobson unit ozone estimate over time.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/esp32-30-pin-development-board-cp2102-wifi-bluetooth\"\u003eESP32 Dev Board\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003eML8511 UV Sensor x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/bmp280-barometric-pressure-temperature-sensor-module-compodenin\"\u003eBMP280\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/dht22-temperature-humidity-sensor-module-accurate-readings\"\u003eDHT22\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/ds3231-real-time-clock-module-i2c-rtc-with-battery-backup\"\u003eDS3231 RTC\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/microsd-card-reader-spi-module-for-arduino\"\u003eMicroSD Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/18-inch-spi-128x160-tft-lcd-display-module-for-arduino\"\u003e1.8in TFT ST7735\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/lm2596-buck-converter-step-down-voltage-regulator-module\"\u003eLM2596 Buck Converter\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/18650-cell-37v-2600mah-li-ion-battery\"\u003e18650 Cell\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/18650-battery-holder-single-cell-cylindrical-holder-for-diy-electronics\"\u003e18650 Holder\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/capacitor-variety-pack-6-values-100nf-to-470uf-30-pieces\"\u003e100nF Caps\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/resistor-variety-pack-100-pcs-10-values-14w-carbon-film\"\u003e4.7kΩ Resistors\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp-wroom-32-breakout-board-pcb-55x52mm\"\u003ePCB Prototype Board\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/6v-2w-solar-panel-for-diy-electronics-iot-projects\"\u003eSolar Panel 6V 1W\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/waterproof-enclosure-ip65-abs-plastic-100x68x50mm-for-electronics\"\u003eWaterproof Enclosure\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSoldering Iron\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSolder Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the Stratospheric Ozone Proxy Monitor?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Stratospheric Ozone Proxy Monitor includes all components needed: ESP32 Dev Board, ML8511 UV Sensor, BMP280, DHT22, DS3231 RTC and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the Stratospheric Ozone Proxy Monitor?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Expert level makers, suitable for ages 25+. ML8511 UV-A and UV-B sensors with BMP280 altitude correction compute a proxy Dobson unit ozone estimate over time. Estimated build time is 15-20 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the Stratospheric Ozone Proxy Monitor online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Stratospheric Ozone Proxy Monitor is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Stratospheric Ozone Proxy Monitor\",\n  \"description\": \"ML8511 UV-A and UV-B sensors with BMP280 altitude correction compute a proxy Dobson unit ozone estimate over time.\",\n  \"sku\": \"CDN-KIT-0137\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-stratospheric-ozone-proxy-monitor\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"13275\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Weather \u0026 Environment\"\n}\n\u003c\/script\u003e\u003cp\u003e\u003cstrong\u003eChoose your assembly option:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering Kit\u003c\/strong\u003e — 25W soldering iron, 60\/40 solder wire, flux, and small perfboard for permanent assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard Combo\u003c\/strong\u003e — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Compoden","offers":[{"title":"Soldering Kit","offer_id":53459770573165,"sku":"CDN-KIT-0137-SLD","price":14530.0,"currency_code":"INR","in_stock":true},{"title":"Breadboard Combo","offer_id":53459770605933,"sku":"CDN-KIT-0137-BB","price":13920.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-stratospheric-ozone-proxy-monitor.png?v=1781944259"},{"product_id":"kit-automated-synop-report-generator","title":"Automated SYNOP Report Generator","description":"\u003ch1\u003eESP32 SYNOP Report Generator Kit – Automate WMO-Standard Weather Reporting with LoRa\u003c\/h1\u003e\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 15-20 hours\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 25+\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e WMO SYNOP protocol coding, meteorological sensor integration, LoRa communication\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp\u003eImagine a weather station that not only measures temperature, humidity, pressure, light, and rainfall but also automatically encodes reports in the global WMO SYNOP format and transmits them via LoRa—ready for integration into meteorological networks. Whether you're building for research, disaster monitoring, or a Smart India Hackathon project, this kit delivers.\u003c\/p\u003e\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eA fully autonomous outdoor weather station that captures temperature, humidity, barometric pressure, ambient light, rainfall, and wind speed (via Hall sensors), then generates SYNOP coded messages containing these observations. The system timestamps data with an RTC and logs to a microSD, while a LoRa module sends the report to a gateway up to several kilometres away. The waterproof enclosure ensures deployment in real field conditions.\u003c\/p\u003e\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eInterfacing multiple I²C sensors on the ESP32\u003c\/li\u003e\n  \u003cli\u003eImplementing the WMO SYNOP message format in embedded C++\u003c\/li\u003e\n  \u003cli\u003eConfiguring and testing the LoRa RA-02 module for long-range transmission\u003c\/li\u003e\n  \u003cli\u003eDesigning robust data logging with microSD card and RTC\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDHT22\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBMP280\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBH1750\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRain Sensor\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eA3144 Hall Sensor\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDS3231 RTC\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRA-02 LoRa\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicroSD Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e433MHz Antenna\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100nF Caps\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.7kΩ Resistors\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePCB Prototype Board\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWaterproof Enclosure\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoldering Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolder Wire\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatibility checks\u003c\/td\u003e\n\u003ctd\u003eYou verify every part\u003c\/td\u003e\n\u003ctd\u003ePre-tested as a system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuild support\u003c\/td\u003e\n\u003ctd\u003eForums and scattered tutorials\u003c\/td\u003e\n\u003ctd\u003eAI companion trained on this exact project\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTime to first working build\u003c\/td\u003e\n\u003ctd\u003eDays of debugging\u003c\/td\u003e\n\u003ctd\u003eHours, with step-by-step guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping coordination\u003c\/td\u003e\n\u003ctd\u003eMultiple sellers, multiple delays\u003c\/td\u003e\n\u003ctd\u003eOne shipment from Bengaluru in 3-5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eWho This Kit Is For\u003c\/h2\u003e\n\u003cp\u003eThis kit is designed for advanced makers and engineers: B.Tech ECE\/EEE students tackling final‑year projects, researchers deploying field weather stations, Smart India Hackathon teams working on disaster management, and professionals in meteorological or agricultural IoT. It assumes familiarity with Arduino IDE and basic soldering.\u003c\/p\u003e\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat if I get stuck during the build?\u003c\/summary\u003e\u003cp\u003eScan the QR code on the kit box to access the AI build companion, which can guide you step-by-step. You can also reach us via WhatsApp for direct assistance.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I modify the code to add more sensors?\u003c\/summary\u003e\u003cp\u003eYes. The firmware is open-source and structured for easy extension. The I²C bus on the ESP32 can accommodate many additional sensors.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this kit work with the Indian LoRa frequency plan?\u003c\/summary\u003e\u003cp\u003eAbsolutely. The included RA-02 module operates on 865-867 MHz, the ISM band authorised for LoRa in India. You can configure the frequency in software.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I need a separate LoRa gateway, or can I see data directly?\u003c\/summary\u003e\u003cp\u003eThe kit transmits SYNOP reports via LoRa; you’ll need a gateway (such as another ESP32 with a receiver or a commercial LoRa gateway) to receive and display data. The onboard microSD also stores all reports locally.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eCollects WMO-standard meteorological parameters and formats them as SYNOP coded messages transmitted via LoRa gateway.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/esp32-30-pin-development-board-cp2102-wifi-bluetooth\"\u003eESP32 Dev Board\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/dht22-temperature-humidity-sensor-module-accurate-readings\"\u003eDHT22\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/bmp280-barometric-pressure-temperature-sensor-module-compodenin\"\u003eBMP280\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/gy-30-bh1750fvi-light-intensity-sensor-module-for-arduinoesp\"\u003eBH1750\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/bf350-high-precision-strain-gauge-pressure-sensor-module\"\u003eRain Sensor\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/a3144-hall-effect-sensor-unipolar-switch-for-magnetic-sensing\"\u003eA3144 Hall Sensor\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/ds3231-real-time-clock-module-i2c-rtc-with-battery-backup\"\u003eDS3231 RTC\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/ra-02-lora-module-433470mhz-sx1278-spi-for-arduino-iot\"\u003eRA-02 LoRa\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/microsd-card-reader-spi-module-for-arduino\"\u003eMicroSD Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/433mhz-antenna-quarter-wave-helical-for-rf-modules\"\u003e433MHz Antenna\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/capacitor-variety-pack-6-values-100nf-to-470uf-30-pieces\"\u003e100nF Caps\u003c\/a\u003e x15\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/resistor-variety-pack-100-pcs-10-values-14w-carbon-film\"\u003e4.7kΩ Resistors\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp-wroom-32-breakout-board-pcb-55x52mm\"\u003ePCB Prototype Board\u003c\/a\u003e x3\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/waterproof-enclosure-ip65-abs-plastic-100x68x50mm-for-electronics\"\u003eWaterproof Enclosure\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSoldering Iron\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSolder Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the Automated SYNOP Report Generator?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Automated SYNOP Report Generator includes all components needed: ESP32 Dev Board, DHT22, BMP280, BH1750, Rain Sensor and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the Automated SYNOP Report Generator?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Expert level makers, suitable for ages 25+. Collects WMO-standard meteorological parameters and formats them as SYNOP coded messages transmitted via LoRa gateway. Estimated build time is 15-20 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the Automated SYNOP Report Generator online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Automated SYNOP Report Generator is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Automated SYNOP Report Generator\",\n  \"description\": \"Collects WMO-standard meteorological parameters and formats them as SYNOP coded messages transmitted via LoRa gateway.\",\n  \"sku\": \"CDN-KIT-0138\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-automated-synop-report-generator\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"5340\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Weather \u0026 Environment\"\n}\n\u003c\/script\u003e\u003cp\u003e\u003cstrong\u003eChoose your assembly option:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering Kit\u003c\/strong\u003e — 25W soldering iron, 60\/40 solder wire, flux, and small perfboard for permanent assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard Combo\u003c\/strong\u003e — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Compoden","offers":[{"title":"Soldering Kit","offer_id":53459770638701,"sku":"CDN-KIT-0138-SLD","price":5170.0,"currency_code":"INR","in_stock":true},{"title":"Breadboard Combo","offer_id":53459770671469,"sku":"CDN-KIT-0138-BB","price":4570.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-automated-synop-report-generator.png?v=1781944262"},{"product_id":"kit-wildfire-risk-index-calculator","title":"Wildfire Risk Index Calculator","description":"\u003ch1\u003eESP32 Wildfire Risk Index Calculator Kit – Predict Fire Danger with Canadian FWI \u0026amp; SMS Alerts\u003c\/h1\u003e\n\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 12-15 hrs\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 25+\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e IoT environmental monitoring and early warning system design\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eBuild a rugged, solar-ready field station that continuously measures temperature, humidity, wind speed, and soil moisture, then crunches the numbers through the Canadian Forest Fire Weather Index (FWI) model. The OLED displays real-time risk levels, and when conditions cross the extreme threshold, the onboard GSM module pushes an SMS alert. Ideal for forest rangers, environmental researchers, and citizen science initiatives in fire-prone regions of India.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eA self-contained wildfire risk calculator that processes multi-sensor data using the Canadian FWI system, logs records to microSD with precise timestamps from the real-time clock, and triggers SMS alerts to a predefined mobile number when the calculated fire danger index reaches extreme. All components fit inside a waterproof enclosure for outdoor deployment.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCalibrating DHT22 temperature\/humidity sensors and soil moisture probes\u003c\/li\u003e\n  \u003cli\u003eImplementing the Canadian Forest Fire Weather Index (FWI) algorithm on ESP32\u003c\/li\u003e\n  \u003cli\u003eInterfacing a Hall effect sensor to measure wind speed using the anemometer principle\u003c\/li\u003e\n  \u003cli\u003eConfiguring SIM800L GSM module for sending SMS alerts when risk reaches extreme\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDHT22\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoil Moisture Sensor\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eA3144 Hall Sensor\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSIM800L GSM\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDS3231 RTC\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicroSD Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0.96in OLED\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLM2596 Buck Converter\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Cell\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Holder\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100nF Caps\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.7kΩ Resistors\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePCB Prototype Board\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWaterproof Enclosure\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoldering Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolder Wire\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatibility checks\u003c\/td\u003e\n\u003ctd\u003eYou verify every part\u003c\/td\u003e\n\u003ctd\u003ePre-tested as a system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuild support\u003c\/td\u003e\n\u003ctd\u003eForums and scattered tutorials\u003c\/td\u003e\n\u003ctd\u003eAI companion trained on this exact project\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTime to first working build\u003c\/td\u003e\n\u003ctd\u003eDays of debugging\u003c\/td\u003e\n\u003ctd\u003eHours, with step-by-step guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping coordination\u003c\/td\u003e\n\u003ctd\u003eMultiple sellers, multiple delays\u003c\/td\u003e\n\u003ctd\u003eOne shipment from Bengaluru in 3-5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Kit Is For\u003c\/h2\u003e\n\u003cp\u003eThis advanced kit suits environmental science researchers, forestry departments implementing early warning systems, B.Tech ECE\/EEE final-year students working on IoT and disaster management projects, and participants in Smart India Hackathon or similar challenges focusing on climate resilience and wildfire prevention. It is also ideal for ATL Tinkering Labs and university labs (IIT\/NIT\/VIT\/BITS) designing autonomous field monitoring stations.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat if I get stuck during the build?\u003c\/summary\u003e\u003cp\u003eThe AI build companion provides step-by-step code and wiring guidance. If you still need help, our WhatsApp support is answered within hours by engineers who know this specific project.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes this kit include the Canadian FWI algorithm code?\u003c\/summary\u003e\u003cp\u003eYes, the AI companion delivers a fully commented Arduino sketch implementing the FWI model for ESP32. You can adjust regional calibration constants directly in the code.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I deploy this outdoors for long-term monitoring?\u003c\/summary\u003e\u003cp\u003eThe waterproof enclosure, 18650 lithium cells with buck converter, and ESP32 deep sleep modes enable extended field use. Adding a solar panel (not included) allows indefinite operation in sunny locations.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow is wind speed measured using the Hall sensor?\u003c\/summary\u003e\u003cp\u003eThe A3144 Hall effect sensor works with a simple DIY anemometer assembly (instructions provided). It detects magnet rotations, and the code converts pulse frequency to wind speed using standard calibration.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eTemperature, humidity, wind speed and soil moisture feed into Canadian FWI model. Display and SMS alert when risk is extreme.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/esp32-30-pin-development-board-cp2102-wifi-bluetooth\"\u003eESP32 Dev Board\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/dht22-temperature-humidity-sensor-module-accurate-readings\"\u003eDHT22\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/soil-moisture-sensor-module-analog-digital-output-compoden\"\u003eSoil Moisture Sensor\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/a3144-hall-effect-sensor-unipolar-switch-for-magnetic-sensing\"\u003eA3144 Hall Sensor\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/ttgo-t-call-esp32-sim800l-module-for-iot-gsm-projects\"\u003eSIM800L GSM\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/ds3231-real-time-clock-module-i2c-rtc-with-battery-backup\"\u003eDS3231 RTC\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/microsd-card-reader-spi-module-for-arduino\"\u003eMicroSD Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/096in-oled-display-128x64-i2cspi-for-arduino-raspberry-pi\"\u003e0.96in OLED\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/lm2596-buck-converter-step-down-voltage-regulator-module\"\u003eLM2596 Buck Converter\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/18650-cell-37v-2600mah-li-ion-battery\"\u003e18650 Cell\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/18650-battery-holder-single-cell-cylindrical-holder-for-diy-electronics\"\u003e18650 Holder\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/capacitor-variety-pack-6-values-100nf-to-470uf-30-pieces\"\u003e100nF Caps\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/resistor-variety-pack-100-pcs-10-values-14w-carbon-film\"\u003e4.7kΩ Resistors\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp-wroom-32-breakout-board-pcb-55x52mm\"\u003ePCB Prototype Board\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/waterproof-enclosure-ip65-abs-plastic-100x68x50mm-for-electronics\"\u003eWaterproof Enclosure\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSoldering Iron\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSolder Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the Wildfire Risk Index Calculator?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Wildfire Risk Index Calculator includes all components needed: ESP32 Dev Board, DHT22, Soil Moisture Sensor, A3144 Hall Sensor, SIM800L GSM and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the Wildfire Risk Index Calculator?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Expert level makers, suitable for ages 25+. Temperature, humidity, wind speed and soil moisture feed into Canadian FWI model. Display and SMS alert when risk is extreme. Estimated build time is 12-15 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the Wildfire Risk Index Calculator online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Wildfire Risk Index Calculator is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Wildfire Risk Index Calculator\",\n  \"description\": \"Temperature, humidity, wind speed and soil moisture feed into Canadian FWI model. Display and SMS alert when risk is extreme.\",\n  \"sku\": \"CDN-KIT-0139\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-wildfire-risk-index-calculator\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"8100\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Weather \u0026 Environment\"\n}\n\u003c\/script\u003e\u003cp\u003e\u003cstrong\u003eChoose your assembly option:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering Kit\u003c\/strong\u003e — 25W soldering iron, 60\/40 solder wire, flux, and small perfboard for permanent assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard Combo\u003c\/strong\u003e — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Compoden","offers":[{"title":"Soldering Kit","offer_id":53459770704237,"sku":"CDN-KIT-0139-SLD","price":7990.0,"currency_code":"INR","in_stock":true},{"title":"Breadboard Combo","offer_id":53459770737005,"sku":"CDN-KIT-0139-BB","price":7390.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-wildfire-risk-index-calculator.png?v=1781944262"},{"product_id":"lora-soil-frost-sensor-network-kit-with-ds18b20-nodes","title":"LoRa Soil Frost Sensor Network Kit with DS18B20 Nodes","description":"\u003ch1\u003eBuild a LoRa-Connected Ground Frost Sensor Network with Six DS18B20 Nodes\u003c\/h1\u003e\n\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 12-15 hrs\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 25+\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e LoRa sensor networking\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eGround frost damages roots, delays planting, and skews soil moisture data. This kit lets you build a distributed sensor network that tracks frost formation at six distinct soil depths, transmitting readings via LoRa to a central logger. Deploy it in an orchard in the Kullu Valley, a potato field near Ooty, or a research plot in Himachal-wherever knowing the exact freeze line matters for crop decisions or climate studies.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eYou assemble six battery-powered DS18B20 sensor nodes, each waterproof and buried at a different depth. These nodes wake periodically, measure temperature, and send data to a RA-02 LoRa receiver connected to an ESP32 base station. The result is a real-time frost profile that graphs how cold penetrates the soil profile, letting you pinpoint the exact hour the 0�C line crosses critical root zones.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eConfigure long-range LoRa communication with RA-02 modules and 433MHz antennas across outdoor distances\u003c\/li\u003e\n  \u003cli\u003ePower sensor nodes from 18650 lithium cells with TP4056 charging circuits for weeks of autonomous operation\u003c\/li\u003e\n  \u003cli\u003eCalibrate and multiplex six DS18B20 digital thermometers on a shared 1-Wire bus with Arduino Nano\u003c\/li\u003e\n  \u003cli\u003eDesign a soldered prototype board that withstands soil moisture and temperature swings without signal loss\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eArduino Nano\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRA-02 LoRa\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDS18B20 Waterproof\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e433MHz Antenna\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Cell\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTP4056 Module\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.7k? Resistors\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100nF Caps\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePCB Prototype Board\u003c\/td\u003e\n\u003ctd\u003e7\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoldering Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolder Wire\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatibility checks\u003c\/td\u003e\n\u003ctd\u003eYou verify every part\u003c\/td\u003e\n\u003ctd\u003ePre-tested as a system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuild support\u003c\/td\u003e\n\u003ctd\u003eForums and scattered tutorials\u003c\/td\u003e\n\u003ctd\u003eAI companion trained on this exact project\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTime to first working build\u003c\/td\u003e\n\u003ctd\u003eDays of debugging\u003c\/td\u003e\n\u003ctd\u003eHours, with step-by-step guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping coordination\u003c\/td\u003e\n\u003ctd\u003eMultiple sellers, multiple delays\u003c\/td\u003e\n\u003ctd\u003eOne shipment from Bengaluru in 3-5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Kit Is For\u003c\/h2\u003e\n\u003cp\u003eAgricultural researchers and B.Tech ECE\/Agri students running field trials on frost injury in high-altitude crops. It's ready for Smart India Hackathon teams building low-cost weather grids, IIT\/NIT\/VIT research groups needing ground-truth data for satellite frost models, and ATL Tinkering Lab facilitators demonstrating IoT across soil layers. The soldered assembly suits those with prior electronics prototyping experience.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden kit ships with an AI build companion trained on this exact project - accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat if I get stuck during the build?\u003c\/summary\u003e\u003cp\u003eThe AI companion walks through each node assembly and LoRa pairing; if that's not enough, our WhatsApp team responds within hours with specific debugging steps for your sensor network.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow far can the LoRa nodes transmit through soil?\u003c\/summary\u003e\u003cp\u003eIn open air, the RA-02 modules cover up to 2 km; in soil with the antenna partially buried, expect reliable 200-400 m range, enough for a single small-plot field deployment.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I add more sensor nodes to the same network?\u003c\/summary\u003e\u003cp\u003eYes, the protocol supports up to 254 node addresses. The base station firmware can be extended to listen for additional nodes with minor code tweaks, and our AI companion includes guidance on scaling.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs this kit suitable for tracking frost in vineyard or orchard root zones?\u003c\/summary\u003e\u003cp\u003eAbsolutely. The six depths you choose can mirror feeder-root horizons, giving you a precise freeze-line time series that directly informs frost protection timing like sprinkler activation or wind machine use.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eSix DS18B20 nodes at different depths connected over LoRa to monitor frost layer progression in soil profile.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/esp32-30-pin-development-board-cp2102-wifi-bluetooth\"\u003eESP32 Dev Board\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/nano-r3-ch340-development-board-arduino-compatible-no-cable\"\u003eArduino Nano\u003c\/a\u003e x6\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/ra-02-lora-module-433470mhz-sx1278-spi-for-arduino-iot\"\u003eRA-02 LoRa\u003c\/a\u003e x7\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/ds18b20-waterproof-temperature-sensor-probe-55c-to-125c\"\u003eDS18B20 Waterproof\u003c\/a\u003e x6\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/433mhz-antenna-quarter-wave-helical-for-rf-modules\"\u003e433MHz Antenna\u003c\/a\u003e x7\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/18650-cell-37v-2600mah-li-ion-battery\"\u003e18650 Cell\u003c\/a\u003e x6\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/tp4056-1a-li-ion-charger-module-with-protection-micro-usb\"\u003eTP4056 Module\u003c\/a\u003e x6\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/resistor-variety-pack-100-pcs-10-values-14w-carbon-film\"\u003e4.7k? Resistors\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/capacitor-variety-pack-6-values-100nf-to-470uf-30-pieces\"\u003e100nF Caps\u003c\/a\u003e x20\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp-wroom-32-breakout-board-pcb-55x52mm\"\u003ePCB Prototype Board\u003c\/a\u003e x7\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSoldering Iron\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSolder Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the Automated Ground Frost Sensor Network?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Automated Ground Frost Sensor Network includes all components needed: ESP32 Dev Board, Arduino Nano, RA-02 LoRa, DS18B20 Waterproof, 433MHz Antenna and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the Automated Ground Frost Sensor Network?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Expert level makers, suitable for ages 25+. Six DS18B20 nodes at different depths connected over LoRa to monitor frost layer progression in soil profile. Estimated build time is 12-15 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the Automated Ground Frost Sensor Network online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Automated Ground Frost Sensor Network is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Automated Ground Frost Sensor Network\",\n  \"description\": \"Six DS18B20 nodes at different depths connected over LoRa to monitor frost layer progression in soil profile.\",\n  \"sku\": \"CDN-KIT-0156\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-automated-ground-frost-sensor-network\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"13275\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Weather \u0026 Environment\"\n}\n\u003c\/script\u003e\u003cp\u003e\u003cstrong\u003eChoose your assembly option:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering Kit\u003c\/strong\u003e - 25W soldering iron, 60\/40 solder wire, flux, and small perfboard for permanent assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard Combo\u003c\/strong\u003e - 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Compoden","offers":[{"title":"Soldering Kit","offer_id":53459771326829,"sku":"CDN-KIT-0156-SLD","price":17350.0,"currency_code":"INR","in_stock":true},{"title":"Breadboard Combo","offer_id":53459771359597,"sku":"CDN-KIT-0156-BB","price":16750.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-automated-ground-frost-sensor-network.png?v=1781944271"},{"product_id":"ai-precipitation-nowcasting-kit-predict-rain-30-min-ahead-with-esp32","title":"AI Precipitation Nowcasting Kit - Predict Rain 30 Min Ahead with ESP32","description":"\u003ch1\u003eAI Precipitation Nowcasting Kit - Predict Rain 30 Minutes Before It Falls with ESP32\u003c\/h1\u003e\n\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 15-20 hrs\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 25+\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e LSTM Model Training \u0026amp; Deployment\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eYou'll deploy a solar-powered outdoor node that collects pressure, humidity, and rain sensor readings, feeds them into a locally running LSTM neural network, and alerts you to impending rain 30 minutes before it begins - invaluable for precision agriculture, environmental research, or smart city flood management. This advanced kit lets you build a weather station that learns your microclimate and delivers hyperlocal nowcasts without relying on distant radar or generic forecasts.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eA weatherproof, solar-powered device that logs environmental data to an SD card, runs an LSTM inference model on the ESP32, and shows rain probability on the OLED. You'll place it in a field, on a rooftop, or at a remote monitoring outpost to receive early rain warnings and collect a long-term dataset for your own AI experiments.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eTrain and quantize an LSTM neural network for time-series rain prediction on a resource-constrained ESP32 microcontroller.\u003c\/li\u003e\n  \u003cli\u003eInterface multiple I2C sensors - BMP280 barometer, SHT31 hygrometer, DS3231 RTC - and manage power via an LM2596 buck converter and TP4056 solar charging.\u003c\/li\u003e\n  \u003cli\u003eRun AI inference entirely at the edge, without cloud dependency, for low-latency, private rain alerts.\u003c\/li\u003e\n  \u003cli\u003eWaterproof and solar-power a custom PCB for reliable, 24\/7 outdoor environmental monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBMP280\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSHT31\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRain Sensor\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDS3231 RTC\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicroSD Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLM2596 Buck Converter\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0.96in OLED\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100nF Caps\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.7k? Resistors\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePCB Prototype Board\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWaterproof Enclosure\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolar Panel 6V 2W\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTP4056 Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoldering Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolder Wire\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr class=\"kit-description\"\u003e\n  \u003cp\u003ePressure, humidity, rain sensor and barometric tendency fed into LSTM model to predict rain onset 30 min ahead.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/esp32-30-pin-development-board-cp2102-wifi-bluetooth\"\u003eESP32 Dev Board\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/bmp280-barometric-pressure-temperature-sensor-module-compodenin\"\u003eBMP280\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003eSHT31\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/bf350-high-precision-strain-gauge-pressure-sensor-module\"\u003eRain Sensor\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/ds3231-real-time-clock-module-i2c-rtc-with-battery-backup\"\u003eDS3231 RTC\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/microsd-card-reader-spi-module-for-arduino\"\u003eMicroSD Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/lm2596-buck-converter-step-down-voltage-regulator-module\"\u003eLM2596 Buck Converter\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/096in-oled-display-128x64-i2cspi-for-arduino-raspberry-pi\"\u003e0.96in OLED\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/capacitor-variety-pack-6-values-100nf-to-470uf-30-pieces\"\u003e100nF Caps\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/resistor-variety-pack-100-pcs-10-values-14w-carbon-film\"\u003e4.7k? Resistors\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp-wroom-32-breakout-board-pcb-55x52mm\"\u003ePCB Prototype Board\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/waterproof-enclosure-ip65-abs-plastic-100x68x50mm-for-electronics\"\u003eWaterproof Enclosure\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/6v-2w-solar-panel-for-diy-electronics-iot-projects\"\u003eSolar Panel 6V 2W\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/tp4056-1a-li-ion-charger-module-with-protection-micro-usb\"\u003eTP4056 Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSoldering Iron\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSolder Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the AI Precipitation Nowcasting Node?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The AI Precipitation Nowcasting Node includes all components needed: ESP32 Dev Board, BMP280, SHT31, Rain Sensor, DS3231 RTC and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the AI Precipitation Nowcasting Node?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Expert level makers, suitable for ages 25+. Pressure, humidity, rain sensor and barometric tendency fed into LSTM model to predict rain onset 30 min ahead. Estimated build time is 15-20 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the AI Precipitation Nowcasting Node online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the AI Precipitation Nowcasting Node is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"AI Precipitation Nowcasting Node\",\n  \"description\": \"Pressure, humidity, rain sensor and barometric tendency fed into LSTM model to predict rain onset 30 min ahead.\",\n  \"sku\": \"CDN-KIT-0158\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-ai-precipitation-nowcasting-node\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"5405\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Weather \u0026 Environment\"\n}\n\u003c\/script\u003e\u003cp\u003e\u003cstrong\u003eChoose your assembly option:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering Kit\u003c\/strong\u003e - 25W soldering iron, 60\/40 solder wire, flux, and small perfboard for permanent assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard Combo\u003c\/strong\u003e - 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Compoden","offers":[{"title":"Soldering Kit","offer_id":53459771490669,"sku":"CDN-KIT-0158-SLD","price":4810.0,"currency_code":"INR","in_stock":true},{"title":"Breadboard Combo","offer_id":53459771523437,"sku":"CDN-KIT-0158-BB","price":4210.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-ai-precipitation-nowcasting-node.png?v=1781944273"},{"product_id":"kit-automated-snowfall-depth-gauge","title":"Automated Snowfall Depth Gauge","description":"\u003ch1\u003eAutomated Snowfall Depth Gauge Kit — ESP32 Ultrasonic Logger with Temperature Correction\u003c\/h1\u003e\n\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 12–15 hours\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 25+\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e Embedded Weather Monitoring\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eMonitor snowfall accumulation remotely with a solar-powered gauge that logs depth hourly. Ideal for Himalayan research stations, avalanche forecasting, or winter ecology studies — no manual measurements in harsh conditions.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eA self-contained snow depth station: an HC-SR04 ultrasonic sensor mounted above the snow surface sends distance readings to an ESP32. A DS18B20 probe corrects the speed of sound for temperature, and a DS3231 RTC timestamps every measurement before logging to microSD. Solar panel + 18650 cells provide power, all housed in a weatherproof box.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eUltrasonic distance sensing and temperature-compensated speed of sound calculations\u003c\/li\u003e\n  \u003cli\u003eReal-time clock integration for accurate timestamped data logging\u003c\/li\u003e\n  \u003cli\u003eSolar-powered battery management with TP4056 and LM2596 buck converter\u003c\/li\u003e\n  \u003cli\u003eDesigning weatherproof enclosures for long-term field deployment\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eHC-SR04\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDS18B20 Waterproof\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDS3231 RTC\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicroSD Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLM2596 Buck Converter\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0.96in OLED\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Cell\u003c\/td\u003e\u0026lt;\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eHC-SR04 ultrasonic above snow surface logs snow depth every hour. Temperature corrects speed of sound.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/esp32-30-pin-development-board-cp2102-wifi-bluetooth\"\u003eESP32 Dev Board\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/hc-sr04-ultrasonic-sensor-module-5v-distance-2cm-400cm\"\u003eHC-SR04\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/ds18b20-waterproof-temperature-sensor-probe-55c-to-125c\"\u003eDS18B20 Waterproof\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/ds3231-real-time-clock-module-i2c-rtc-with-battery-backup\"\u003eDS3231 RTC\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/microsd-card-reader-spi-module-for-arduino\"\u003eMicroSD Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/lm2596-buck-converter-step-down-voltage-regulator-module\"\u003eLM2596 Buck Converter\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/096in-oled-display-128x64-i2cspi-for-arduino-raspberry-pi\"\u003e0.96in OLED\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/18650-cell-37v-2600mah-li-ion-battery\"\u003e18650 Cell\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/tp4056-1a-li-ion-charger-module-with-protection-micro-usb\"\u003eTP4056 Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/capacitor-variety-pack-6-values-100nf-to-470uf-30-pieces\"\u003e100nF Caps\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/resistor-variety-pack-100-pcs-10-values-14w-carbon-film\"\u003e4.7kΩ Resistors\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp-wroom-32-breakout-board-pcb-55x52mm\"\u003ePCB Prototype Board\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/waterproof-enclosure-ip65-abs-plastic-100x68x50mm-for-electronics\"\u003eWaterproof Enclosure\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/6v-2w-solar-panel-for-diy-electronics-iot-projects\"\u003eSolar Panel 6V 1W\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSoldering Iron\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSolder Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the Automated Snowfall Depth Gauge?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Automated Snowfall Depth Gauge includes all components needed: ESP32 Dev Board, HC-SR04, DS18B20 Waterproof, DS3231 RTC, MicroSD Module and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the Automated Snowfall Depth Gauge?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Expert level makers, suitable for ages 25+. HC-SR04 ultrasonic above snow surface logs snow depth every hour. Temperature corrects speed of sound. Estimated build time is 12-15 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the Automated Snowfall Depth Gauge online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Automated Snowfall Depth Gauge is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Automated Snowfall Depth Gauge\",\n  \"description\": \"HC-SR04 ultrasonic above snow surface logs snow depth every hour. Temperature corrects speed of sound.\",\n  \"sku\": \"CDN-KIT-0159\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-automated-snowfall-depth-gauge\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"5650\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Weather \u0026 Environment\"\n}\n\u003c\/script\u003e\u003cp\u003e\u003cstrong\u003eChoose your assembly option:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering Kit\u003c\/strong\u003e — 25W soldering iron, 60\/40 solder wire, flux, and small perfboard for permanent assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard Combo\u003c\/strong\u003e — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"Compoden","offers":[{"title":"Soldering Kit","offer_id":53459771556205,"sku":"CDN-KIT-0159-SLD","price":5100.0,"currency_code":"INR","in_stock":true},{"title":"Breadboard Combo","offer_id":53459771588973,"sku":"CDN-KIT-0159-BB","price":4500.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-automated-snowfall-depth-gauge.png?v=1782285652"},{"product_id":"kit-urban-heat-island-mapper","title":"Urban Heat Island Mapper","description":"\u003ch1\u003eBuild a City Heat Map with ESP32 — Urban Heat Island Mapper Kit\u003c\/h1\u003e\n\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 15-20 hours\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 25+\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e Environmental IoT logging\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eImagine walking your neighbourhood with a device that captures surface temperatures at every step — asphalt roasting at 65°C while a shaded garden stays at 38°C. This kit lets you build exactly that, turning a casual city walk into a high-resolution heat map that reveals urban heat island hotspots.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eYou’ll assemble a shoulder-strap-mountable logger that continuously records the infrared temperature of surfaces, ambient air temperature, and precise GPS coordinates onto a microSD card. At the end of your walk, plug the card into a computer, run the provided Python script, and generate a colour-coded heat map overlaid on a satellite view of your route — ready to share with city planners or your community.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eInterface an MLX90614 IR thermometer via I2C and calibrate it for consistent surface readings.\u003c\/li\u003e\n  \u003cli\u003eParse GPS NMEA sentences to tag every measurement with latitude, longitude, and UTC timestamp.\u003c\/li\u003e\n  \u003cli\u003eManage multi-sensor data logging with an RTC and microSD module, powered from rechargeable 18650 cells.\u003c\/li\u003e\n  \u003cli\u003eTransform raw CSV logs into a geographical heat map using Python (sample script included).\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eNEO-6M GPS\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMLX90614 IR Thermometer\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDHT22\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDS3231 RTC\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicroSD Module\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLM2596 Buck Converter\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0.96in OLED\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Cell\u003c\/td\u003e\n\u003ctd\u003ex2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Holder\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTP4056 Module\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100nF Caps\u003c\/td\u003e\n\u003ctd\u003ex10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e4.7kΩ Resistors\u003c\/td\u003e\n\u003ctd\u003ex5\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePCB Prototype Board\u003c\/td\u003e\n\u003ctd\u003ex2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eEnclosure Box\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoldering Iron\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolder Wire\u003c\/td\u003e\n\u003ctd\u003ex1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatibility checks\u003c\/td\u003e\n\u003ctd\u003eYou verify every part\u003c\/td\u003e\n\u003ctd\u003ePre-tested as a system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuild support\u003c\/td\u003e\n\u003ctd\u003eForums and scattered tutorials\u003c\/td\u003e\n\u003ctd\u003eAI companion trained on this exact project\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTime to first working build\u003c\/td\u003e\n\u003ctd\u003eDays of debugging\u003c\/td\u003e\n\u003ctd\u003eHours, with step-by-step guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping coordination\u003c\/td\u003e\n\u003ctd\u003eMultiple sellers, multiple delays\u003c\/td\u003e\n\u003ctd\u003eOne shipment from Bengaluru in 3-5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Kit Is For\u003c\/h2\u003e\n\u003cp\u003eUrban climate researchers and B.Tech Environmental Engineering students tackling Smart India Hackathon sustainability challenges. Graduate students at IITs, NITs, or VIT developing papers on urban microclimate. Citizen science groups mapping heat stress in Indian metros like Mumbai, Delhi, or Chennai. The kit assumes intermediate soldering skills and familiarity with Arduino IDE.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat if I get stuck during the build?\u003c\/summary\u003e\u003cp\u003eThe AI companion guides you step-by-step, and you can WhatsApp our support team during Indian business hours for faster help.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I use this kit for a college final-year project?\u003c\/summary\u003e\u003cp\u003eAbsolutely. The heat map output, real-time logging, and GPS integration make it a strong demonstration of IoT and environmental sensing — perfect for B.Tech ECE, EEE, or Environmental Engineering.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs the MLX90614 accurate enough for pavement temperature measurement?\u003c\/summary\u003e\u003cp\u003eYes, the MLX90614 offers ±0.5°C accuracy for object temperatures in the range you’ll encounter on roads and buildings. Aim it within 5 cm of the surface for best results.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I power the logger for a full day of walking?\u003c\/summary\u003e\u003cp\u003eTwo 18650 cells through the LM2596 buck converter provide steady 5V to the ESP32 and sensors; a typical 4–5 hour walk consumes about 60% capacity. The kit includes the holder and charging module.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eMobile ESP32 with GPS and MLX90614 IR thermometer logs surface temperatures on a city walk to build heat map.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/esp32-30-pin-development-board-cp2102-wifi-bluetooth\"\u003eESP32 Dev Board\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/neo-6m-gps-module-with-built-in-antenna\"\u003eNEO-6M GPS\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003eMLX90614 IR Thermometer\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/dht22-temperature-humidity-sensor-module-accurate-readings\"\u003eDHT22\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/ds3231-real-time-clock-module-i2c-rtc-with-battery-backup\"\u003eDS3231 RTC\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/microsd-card-reader-spi-module-for-arduino\"\u003eMicroSD Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/lm2596-buck-converter-step-down-voltage-regulator-module\"\u003eLM2596 Buck Converter\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/096in-oled-display-128x64-i2cspi-for-arduino-raspberry-pi\"\u003e0.96in OLED\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/18650-cell-37v-2600mah-li-ion-battery\"\u003e18650 Cell\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/18650-battery-holder-single-cell-cylindrical-holder-for-diy-electronics\"\u003e18650 Holder\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/tp4056-1a-li-ion-charger-module-with-protection-micro-usb\"\u003eTP4056 Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/capacitor-variety-pack-6-values-100nf-to-470uf-30-pieces\"\u003e100nF Caps\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/resistor-variety-pack-100-pcs-10-values-14w-carbon-film\"\u003e4.7kΩ Resistors\u003c\/a\u003e x5\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp-wroom-32-breakout-board-pcb-55x52mm\"\u003ePCB Prototype Board\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/enclosure-box-for-diy-electronics-projects-compoden\"\u003eEnclosure Box\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSoldering Iron\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSolder Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the Urban Heat Island Mapper?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Urban Heat Island Mapper includes all components needed: ESP32 Dev Board, NEO-6M GPS, MLX90614 IR Thermometer, DHT22, DS3231 RTC and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the Urban Heat Island Mapper?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Expert level makers, suitable for ages 25+. Mobile ESP32 with GPS and MLX90614 IR thermometer logs surface temperatures on a city walk to build heat map. Estimated build time is 15-20 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the Urban Heat Island Mapper online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Urban Heat Island Mapper is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Urban Heat Island Mapper\",\n  \"description\": \"Mobile ESP32 with GPS and MLX90614 IR thermometer logs surface temperatures on a city walk to build heat map.\",\n  \"sku\": \"CDN-KIT-0160\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-urban-heat-island-mapper\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"6840\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Weather \u0026 Environment\"\n}\n\u003c\/script\u003e\u003cp\u003e\u003cstrong\u003eChoose your assembly option:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering Kit\u003c\/strong\u003e — 25W soldering iron, 60\/40 solder wire, flux, and small perfboard for permanent assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard Combo\u003c\/strong\u003e — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Compoden","offers":[{"title":"Soldering Kit","offer_id":53459771621741,"sku":"CDN-KIT-0160-SLD","price":6510.0,"currency_code":"INR","in_stock":true},{"title":"Breadboard Combo","offer_id":53459771654509,"sku":"CDN-KIT-0160-BB","price":5910.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-urban-heat-island-mapper.png?v=1781944276"},{"product_id":"esp32-climate-trend-analyser-kit-5-year-outdoor-data-logger","title":"ESP32 Climate Trend Analyser Kit - 5-Year Outdoor Data Logger","description":"\u003ch1\u003eESP32 Climate Trend Analyser Kit - Monitor Microclimate Shifts for Five Years\u003c\/h1\u003e\n\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 15-20 hours\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 25+\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e Embedded IoT deployment \u0026amp; long-term data logging\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eAssemble a self-contained, solar-powered field station that captures hourly environmental data for five years - no tether to mains electricity. An ESP32 reads precision I2C sensors (SHT31, BMP280, BH1750) and timestamps every reading via a DS3231 RTC, writing fault-tolerant CSV records to a 32 GB microSD card. A locally served web dashboard transforms that raw data into rolling climate trends: you can spot seasonal anomalies, chart multi-year temperature drift, or correlate barometric pressure with monsoon intensity.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eYou will integrate a weatherproof enclosure housing the ESP32 logger board, a solar-recharged 18650 battery pack, and three calibrated environmental sensors. After burning the pre-supplied firmware, the unit wakes hourly, logs temperature, humidity, atmospheric pressure, and illuminance to the SD card under a tamper-proof timestamp, then sinks into deep sleep. Within Wi-Fi range, the dashboard browser app displays interactive graphs, lets you zoom into any week across five years, and exports filtered datasets as CSV - all without removing the sealed enclosure.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigning ultra-low-power sleep cycles to make a 2-cell battery last through monsoon cloud-cover and winter gloom.\u003c\/li\u003e\n  \u003cli\u003eInterfacing three distinct I2C environmental sensors with an ESP32 and resolving address conflicts.\u003c\/li\u003e\n  \u003cli\u003eImplementing fail-safe SD card logging with automatic file rotation and CRC-protected records so no reading is lost.\u003c\/li\u003e\n  \u003cli\u003eSizing a solar panel and TP4056-based charge controller for a truly off-grid, maintenance-free field deployment.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSHT31\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBMP280\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBH1750\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDS3231 RTC\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicroSD Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicroSD Card 32GB\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLM2596 Buck Converter\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0.96in OLED\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolar Panel 6V 2W\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTP4056 Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Cell\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100nF Caps\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePCB Prototype Board\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWaterproof Enclosure\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoldering Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolder Wire\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatibility checks\u003c\/td\u003e\n\u003ctd\u003eYou verify every part\u003c\/td\u003e\n\u003ctd\u003ePre-tested as a system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuild support\u003c\/td\u003e\n\u003ctd\u003eForums and scattered tutorials\u003c\/td\u003e\n\u003ctd\u003eAI companion trained on this exact project\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTime to first working build\u003c\/td\u003e\n\u003ctd\u003eDays of debugging\u003c\/td\u003e\n\u003ctd\u003eHours, with step-by-step guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping coordination\u003c\/td\u003e\n\u003ctd\u003eMultiple sellers, multiple delays\u003c\/td\u003e\n\u003ctd\u003eOne shipment from Bengaluru in 3-5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Kit Is For\u003c\/h2\u003e\n\u003cp\u003eEnvironmental science researchers at IISc, IITs, NITs, and agricultural universities will find this kit ready for long-term microclimate documentation. IoT developers building robust sensor networks for Smart India Hackathon climate challenges or CSR-driven sustainability pilots get a field-hardened starting point. Serious hobbyists with prior embedded experience who want a deploy-and-forget station can skip the component-hunting and dive straight into data analysis.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden kit ships with an AI build companion trained on this exact project - accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat if I get stuck during the build?\u003c\/summary\u003e\u003cp\u003eScan the QR code on the box to launch the AI build companion that walks through every solder joint and code upload. If you need human help, message us on WhatsApp; we reply within a few hours.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this logger survive Indian monsoon conditions outdoors?\u003c\/summary\u003e\u003cp\u003eYes, the included waterproof enclosure with IP65-grade cable glands and the guide's conformal coating tips make it resilient against heavy rain, dust, and humidity extremes.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I access the data without removing the SD card?\u003c\/summary\u003e\u003cp\u003eThe ESP32 creates a local Wi-Fi hotspot hosting a dashboard that shows real-time trends and past records. You can view graphs and export CSV logs from any phone or laptop within range.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I extend logging beyond five years?\u003c\/summary\u003e\u003cp\u003eAbsolutely. Switching to two-hour logging intervals or swapping in a 64?GB card easily stretches the recording period to a decade with the same power budget.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eFive-year hourly data logger with SHT31, BMP280, BH1750 to micro SD. Web dashboard shows rolling climate trends.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/esp32-30-pin-development-board-cp2102-wifi-bluetooth\"\u003eESP32 Dev Board\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003eSHT31\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/bmp280-barometric-pressure-temperature-sensor-module-compodenin\"\u003eBMP280\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/gy-30-bh1750fvi-light-intensity-sensor-module-for-arduinoesp\"\u003eBH1750\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/ds3231-real-time-clock-module-i2c-rtc-with-battery-backup\"\u003eDS3231 RTC\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/microsd-card-reader-spi-module-for-arduino\"\u003eMicroSD Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/microsd-card-reader-spi-module-for-arduino\"\u003eMicroSD Card 32GB\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/lm2596-buck-converter-step-down-voltage-regulator-module\"\u003eLM2596 Buck Converter\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/096in-oled-display-128x64-i2cspi-for-arduino-raspberry-pi\"\u003e0.96in OLED\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/6v-2w-solar-panel-for-diy-electronics-iot-projects\"\u003eSolar Panel 6V 2W\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/tp4056-1a-li-ion-charger-module-with-protection-micro-usb\"\u003eTP4056 Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/18650-cell-37v-2600mah-li-ion-battery\"\u003e18650 Cell\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/capacitor-variety-pack-6-values-100nf-to-470uf-30-pieces\"\u003e100nF Caps\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp-wroom-32-breakout-board-pcb-55x52mm\"\u003ePCB Prototype Board\u003c\/a\u003e x3\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/waterproof-enclosure-ip65-abs-plastic-100x68x50mm-for-electronics\"\u003eWaterproof Enclosure\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSoldering Iron\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSolder Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the Long-Term Climate Trend Analyser?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Long-Term Climate Trend Analyser includes all components needed: ESP32 Dev Board, SHT31, BMP280, BH1750, DS3231 RTC and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the Long-Term Climate Trend Analyser?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Expert level makers, suitable for ages 25+. Five-year hourly data logger with SHT31, BMP280, BH1750 to micro SD. Web dashboard shows rolling climate trends. Estimated build time is 15-20 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the Long-Term Climate Trend Analyser online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Long-Term Climate Trend Analyser is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Long-Term Climate Trend Analyser\",\n  \"description\": \"Five-year hourly data logger with SHT31, BMP280, BH1750 to micro SD. Web dashboard shows rolling climate trends.\",\n  \"sku\": \"CDN-KIT-0161\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-long-term-climate-trend-analyser\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"8425\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Weather \u0026 Environment\"\n}\n\u003c\/script\u003e\u003cp\u003e\u003cstrong\u003eChoose your assembly option:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering Kit\u003c\/strong\u003e - 25W soldering iron, 60\/40 solder wire, flux, and small perfboard for permanent assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard Combo\u003c\/strong\u003e - 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Compoden","offers":[{"title":"Soldering Kit","offer_id":53459771687277,"sku":"CDN-KIT-0161-SLD","price":8300.0,"currency_code":"INR","in_stock":true},{"title":"Breadboard Combo","offer_id":53459771720045,"sku":"CDN-KIT-0161-BB","price":7690.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-long-term-climate-trend-analyser.png?v=1781944274"},{"product_id":"kit-atmospheric-electric-field-monitor","title":"Atmospheric Electric Field Monitor","description":"\u003ch1\u003eESP32 Atmospheric Electric Field Monitor Kit — Predict Lightning Risk 30 Minutes Before It Strikes\u003c\/h1\u003e\n\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 12-15 hours\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 25+\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e Atmospheric electric field measurement and lightning risk prediction\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003eThis kit lets you assemble a sophisticated field mill sensor that continuously measures the atmospheric electric potential gradient—the key indicator of impending lightning activity. Designed for meteorology enthusiasts, IoT innovators, and research students, it outputs real-time data and alerts you up to 30 minutes before a thunderstorm becomes dangerous, giving critical time to disconnect sensitive electronics or protect outdoor assets.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eYou'll build a self-contained, solar-powered weather station that mounts outdoors, digitizes faint electric field signals, logs data to an SD card, and displays a live lightning risk index on the OLED screen. When the electric field surpasses threshold levels, it triggers an alert—whether you're monitoring a farm, a solar park, or an open-air event.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCalibrate and deploy a field mill electrode for accurate electrostatic gradient measurement\u003c\/li\u003e\n  \u003cli\u003eProgram an ESP32 to interface with an ADS1115 ADC for high-resolution analog sampling\u003c\/li\u003e\n  \u003cli\u003eImplement real-time data logging and threshold-based alerting for environmental monitoring\u003c\/li\u003e\n  \u003cli\u003eDesign a solar-powered, weatherproof embedded system for continuous outdoor operation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eADS1115 ADC\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLM358 Op-Amp\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDS3231 RTC\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicroSD Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0.96in OLED\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLM2596 Buck Converter\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100kΩ Resistors\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e10kΩ Resistors\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100nF Caps\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolar Panel 6V 2W\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e18650 Cell\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTP4056 Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWaterproof Enclosure\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePCB Prototype Board\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoldering Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolder Wire\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatibility checks\u003c\/td\u003e\n\u003ctd\u003eYou verify every part\u003c\/td\u003e\n\u003ctd\u003ePre-tested as a system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuild support\u003c\/td\u003e\n\u003ctd\u003eForums and scattered tutorials\u003c\/td\u003e\n\u003ctd\u003eAI companion trained on this exact project\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTime to first working build\u003c\/td\u003e\n\u003ctd\u003eDays of debugging\u003c\/td\u003e\n\u003ctd\u003eHours, with step-by-step guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping coordination\u003c\/td\u003e\n\u003ctd\u003eMultiple sellers, multiple delays\u003c\/td\u003e\n\u003ctd\u003eOne shipment from Bengaluru in 3-5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Kit Is For\u003c\/h2\u003e\n\u003cp\u003eThis advanced kit is built for B.Tech ECE\/EEE final-year students, M.Tech researchers in atmospheric sciences, and meteorology departments at IITs, NITs, BITS Pilani, and VIT. It's equally suited for Smart India Hackathon teams developing lightning alert networks for rural India and for agricultural IoT innovators building on-site weather stations to protect crops and livestock.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat if I get stuck during the build?\u003c\/summary\u003e\u003cp\u003eScan the QR code on the box to access your personalized AI build companion, which guides you step-by-step and answers questions. You can also reach our team on WhatsApp for direct troubleshooting.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow does the kit predict lightning 30 minutes in advance?\u003c\/summary\u003e\u003cp\u003eThe field mill electrode measures the atmospheric electric field gradient, which spikes before a lightning discharge. By monitoring these levels and applying threshold algorithms on the ESP32, the system alerts you well before a strike occurs, giving critical lead time.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDo I need to calibrate the sensor, and is calibration support provided?\u003c\/summary\u003e\u003cp\u003eYes, the field mill requires initial calibration against known electric field values. The AI companion includes a calibration routine, and we provide baseline parameters to get you started. India-specific reference data is available for monsoon conditions.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan this monitor withstand heavy rain and outdoor conditions?\u003c\/summary\u003e\u003cp\u003eAbsolutely. The kit includes a waterproof enclosure rated for outdoor use, and the solar panel and battery management system are designed for 24\/7 operation in Indian monsoon and summer heat.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eField mill electrode sensor measures atmospheric electric potential gradient. Predicts lightning risk 30 min ahead.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/esp32-30-pin-development-board-cp2102-wifi-bluetooth\"\u003eESP32 Dev Board\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/ads1115-16-bit-i2c-adc-module-for-arduino-raspberry-pi\"\u003eADS1115 ADC\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/lm358-op-amp-dual-low-power-operational-amplifier-ic-compoden\"\u003eLM358 Op-Amp\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/ds3231-real-time-clock-module-i2c-rtc-with-battery-backup\"\u003eDS3231 RTC\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/microsd-card-reader-spi-module-for-arduino\"\u003eMicroSD Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/096in-oled-display-128x64-i2cspi-for-arduino-raspberry-pi\"\u003e0.96in OLED\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/lm2596-buck-converter-step-down-voltage-regulator-module\"\u003eLM2596 Buck Converter\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e100kΩ Resistors x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/resistor-variety-pack-100-pcs-10-values-14w-carbon-film\"\u003e10kΩ Resistors\u003c\/a\u003e x10\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/capacitor-variety-pack-6-values-100nf-to-470uf-30-pieces\"\u003e100nF Caps\u003c\/a\u003e x15\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/6v-2w-solar-panel-for-diy-electronics-iot-projects\"\u003eSolar Panel 6V 2W\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/18650-cell-37v-2600mah-li-ion-battery\"\u003e18650 Cell\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/tp4056-1a-li-ion-charger-module-with-protection-micro-usb\"\u003eTP4056 Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/waterproof-enclosure-ip65-abs-plastic-100x68x50mm-for-electronics\"\u003eWaterproof Enclosure\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp-wroom-32-breakout-board-pcb-55x52mm\"\u003ePCB Prototype Board\u003c\/a\u003e x3\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSoldering Iron\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSolder Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the Atmospheric Electric Field Monitor?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Atmospheric Electric Field Monitor includes all components needed: ESP32 Dev Board, ADS1115 ADC, LM358 Op-Amp, DS3231 RTC, MicroSD Module and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the Atmospheric Electric Field Monitor?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Expert level makers, suitable for ages 25+. Field mill electrode sensor measures atmospheric electric potential gradient. Predicts lightning risk 30 min ahead. Estimated build time is 12-15 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the Atmospheric Electric Field Monitor online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Atmospheric Electric Field Monitor is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Atmospheric Electric Field Monitor\",\n  \"description\": \"Field mill electrode sensor measures atmospheric electric potential gradient. Predicts lightning risk 30 min ahead.\",\n  \"sku\": \"CDN-KIT-0166\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-atmospheric-electric-field-monitor\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"6050\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Weather \u0026 Environment\"\n}\n\u003c\/script\u003e\u003cp\u003e\u003cstrong\u003eChoose your assembly option:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering Kit\u003c\/strong\u003e — 25W soldering iron, 60\/40 solder wire, flux, and small perfboard for permanent assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard Combo\u003c\/strong\u003e — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Compoden","offers":[{"title":"Soldering Kit","offer_id":53459771851117,"sku":"CDN-KIT-0166-SLD","price":5500.0,"currency_code":"INR","in_stock":true},{"title":"Breadboard Combo","offer_id":53459771883885,"sku":"CDN-KIT-0166-BB","price":4900.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-atmospheric-electric-field-monitor.png?v=1781944278"},{"product_id":"kit-automated-metar-generator","title":"Automated METAR Generator","description":"\u003ch1\u003eBuild an ICAO-Compliant Automated METAR Weather Station with ESP32\u003c\/h1\u003e\n\n\u003cp class=\"value-summary\"\u003eEvery part needed, pre-tested for compatibility, with an AI build companion trained on this exact project. Shipped from Bengaluru in 3-5 days.\u003c\/p\u003e\n\n\u003cdiv class=\"specs-strip\"\u003e\n  \u003cspan\u003e\u003cstrong\u003eDifficulty:\u003c\/strong\u003e Advanced\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eBuild Time:\u003c\/strong\u003e 12-15 hours\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eAge:\u003c\/strong\u003e 25+\u003c\/span\u003e\n  \u003cspan\u003e\u003cstrong\u003eSkill:\u003c\/strong\u003e Embedded system integration \u0026amp; data serialisation\u003c\/span\u003e\n\u003c\/div\u003e\n\n\u003cp\u003ePicture a self-contained unit on your rooftop or field station, silently collecting environmental data and broadcasting standardised METAR messages every half hour, ready to be consumed by aviation dashboards, smart agriculture platforms, or your own research log. This kit guides you through building exactly that — an all-weather, solar-powered ESP32 system that thinks in ICAO code.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Build\u003c\/h2\u003e\n\u003cp\u003eYou will assemble a weatherproof enclosure housing an ESP32, a suite of calibrated sensors (temperature, humidity, pressure, UV, rainfall), and a custom wind-speed pickup. The firmware polls sensors, retrieves a timestamp from a DS3231 RTC, formats an ICAO METAR string, stores a backup on MicroSD, and POSTs it to the web endpoint you define — automatically, every 30 minutes, indefinitely.\u003c\/p\u003e\n\n\u003ch2\u003eWhat You'll Learn\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003eCalibrate and fuse data from DHT22, BMP280, and ML8511 UV on a single I²C bus\u003c\/li\u003e\n  \u003cli\u003eDesign solar power management with a TP4056 charger, LM2596 buck converter, and 6V solar panel\u003c\/li\u003e\n  \u003cli\u003eConstruct a Hall-effect anemometer using two A3144 sensors and interpret pulses for wind speed\u003c\/li\u003e\n  \u003cli\u003eFormat raw sensor values into a standard ICAO METAR message and push via HTTP to any web API\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKit Contents\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eComponent\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eESP32 Dev Board\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDHT22\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBMP280\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eML8511 UV Sensor\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eA3144 Hall Sensor\u003c\/td\u003e\n\u003ctd\u003e2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eRain Sensor\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eDS3231 RTC Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicroSD Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eLM2596 Buck Converter\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e0.96-inch OLED Display\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e433MHz Antenna\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e100nF Capacitors\u003c\/td\u003e\n\u003ctd\u003e15\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003ePCB Prototype Board\u003c\/td\u003e\n\u003ctd\u003e3\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWaterproof Enclosure\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolar Panel 6V 2W\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTP4056 Charging Module\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSoldering Iron\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSolder Wire\u003c\/td\u003e\n\u003ctd\u003e1\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhy Buy This Kit Instead of Sourcing Parts Separately\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFactor\u003c\/th\u003e\n\u003cth\u003eSourcing Separately\u003c\/th\u003e\n\u003cth\u003eCompoden Kit\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eCompatibility checks\u003c\/td\u003e\n\u003ctd\u003eYou verify every part\u003c\/td\u003e\n\u003ctd\u003ePre-tested as a system\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBuild support\u003c\/td\u003e\n\u003ctd\u003eForums and scattered tutorials\u003c\/td\u003e\n\u003ctd\u003eAI companion trained on this exact project\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eTime to first working build\u003c\/td\u003e\n\u003ctd\u003eDays of debugging\u003c\/td\u003e\n\u003ctd\u003eHours, with step-by-step guidance\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eShipping coordination\u003c\/td\u003e\n\u003ctd\u003eMultiple sellers, multiple delays\u003c\/td\u003e\n\u003ctd\u003eOne shipment from Bengaluru in 3-5 days\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWho This Kit Is For\u003c\/h2\u003e\n\u003cp\u003eEngineers, researchers, and avid makers looking to pair embedded systems with meteorological data reporting. It suits B.Tech ECE final-year projects, MTech environmental monitoring theses, drone operators needing hyperlocal METAR, and agritech startups deploying automated weather nodes. If you have soldering experience and comfort with Arduino IDE, you have the baseline.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery Compoden kit ships with an AI build companion trained on this exact project — accessible via a QR code on the box, with WhatsApp and email backup. We've spent 10 years building projects for makers, schools, and institutions across India. If a part fails because of a manufacturing defect, replace it free within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eWhat if I get stuck during the build?\u003c\/summary\u003e\u003cp\u003eOpen the AI companion from the QR code, type your question, and receive step-specific debugging. For anything beyond that, reach out on WhatsApp with a photo — our engineers built this kit themselves and respond quickly.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eHow do I set up the wind speed sensor?\u003c\/summary\u003e\u003cp\u003eThe two A3144 hall sensors and 433MHz antenna are used to build a DIY anemometer that transmits pulse counts to the ESP32. The AI companion includes a breakout diagram and calibration code sample.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eCan I send the METAR reports to my own server or an aviation service?\u003c\/summary\u003e\u003cp\u003eAbsolutely. The default firmware posts to a configurable URL — point it to your own API, a cloud IoT endpoint, or even a local network dashboard.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWill this station survive monsoon rain and heat?\u003c\/summary\u003e\u003cp\u003eThe included waterproof enclosure (IP65-rated) and solar power design with buck converter are built for Indian field conditions. Placement under an eave or sunshade further extends longevity.\u003c\/p\u003e\u003c\/details\u003e\n\n\u003cdiv class=\"kit-description\"\u003e\n  \u003cp\u003eAssembles ICAO METAR coded weather report every 30 min from local sensors. Posts to web endpoint.\u003c\/p\u003e\n  \u003ch4\u003eWhat's in this kit\u003c\/h4\u003e\n  \u003cul\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/esp32-30-pin-development-board-cp2102-wifi-bluetooth\"\u003eESP32 Dev Board\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/dht22-temperature-humidity-sensor-module-accurate-readings\"\u003eDHT22\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/bmp280-barometric-pressure-temperature-sensor-module-compodenin\"\u003eBMP280\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003eML8511 UV\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/a3144-hall-effect-sensor-unipolar-switch-for-magnetic-sensing\"\u003eA3144 Hall Sensor\u003c\/a\u003e x2\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/bf350-high-precision-strain-gauge-pressure-sensor-module\"\u003eRain Sensor\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/ds3231-real-time-clock-module-i2c-rtc-with-battery-backup\"\u003eDS3231 RTC\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/microsd-card-reader-spi-module-for-arduino\"\u003eMicroSD Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/lm2596-buck-converter-step-down-voltage-regulator-module\"\u003eLM2596 Buck Converter\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/096in-oled-display-128x64-i2cspi-for-arduino-raspberry-pi\"\u003e0.96in OLED\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/433mhz-antenna-quarter-wave-helical-for-rf-modules\"\u003e433MHz Antenna\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/capacitor-variety-pack-6-values-100nf-to-470uf-30-pieces\"\u003e100nF Caps\u003c\/a\u003e x15\u003c\/li\u003e\n    \u003cli\u003e\n\u003ca href=\"\/products\/esp-wroom-32-breakout-board-pcb-55x52mm\"\u003ePCB Prototype Board\u003c\/a\u003e x3\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/waterproof-enclosure-ip65-abs-plastic-100x68x50mm-for-electronics\"\u003eWaterproof Enclosure\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/6v-2w-solar-panel-for-diy-electronics-iot-projects\"\u003eSolar Panel 6V 2W\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/tp4056-1a-li-ion-charger-module-with-protection-micro-usb\"\u003eTP4056 Module\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSoldering Iron\u003c\/a\u003e\u003c\/li\u003e\n    \u003cli\u003e\u003ca href=\"\/products\/soldering-kit-25w-with-solder-wire-flux-paste-compoden\"\u003eSolder Wire\u003c\/a\u003e\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is included in the Automated METAR Generator?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The Automated METAR Generator includes all components needed: ESP32 Dev Board, DHT22, BMP280, ML8511 UV, A3144 Hall Sensor and more. Everything is pre-tested for compatibility and shipped from Bengaluru, India.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What skill level is required for the Automated METAR Generator?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"This kit is designed for Expert level makers, suitable for ages 25+. Assembles ICAO METAR coded weather report every 30 min from local sensors. Posts to web endpoint. Estimated build time is 12-15 hrs.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Can I buy the Automated METAR Generator online in India?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes, the Automated METAR Generator is available online at Compoden (compoden.in), India's AI-powered electronics and robotics store. Ships from Bengaluru in 1-5 business days across India.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"Product\",\n  \"name\": \"Automated METAR Generator\",\n  \"description\": \"Assembles ICAO METAR coded weather report every 30 min from local sensors. Posts to web endpoint.\",\n  \"sku\": \"CDN-KIT-0176\",\n  \"brand\": {\"@type\": \"Brand\", \"name\": \"Compoden\"},\n  \"offers\": {\n    \"@type\": \"Offer\",\n    \"url\": \"https:\/\/compoden.in\/products\/kit-automated-metar-generator\",\n    \"priceCurrency\": \"INR\",\n    \"price\": \"9155\",\n    \"availability\": \"https:\/\/schema.org\/InStock\",\n    \"seller\": {\"@type\": \"Organization\", \"name\": \"Compoden\"}\n  },\n  \"category\": \"Weather \u0026 Environment\"\n}\n\u003c\/script\u003e\u003cp\u003e\u003cstrong\u003eChoose your assembly option:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSoldering Kit\u003c\/strong\u003e — 25W soldering iron, 60\/40 solder wire, flux, and small perfboard for permanent assembly.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreadboard Combo\u003c\/strong\u003e — 800-point full-size breadboard with 65-piece jumper wire pack for solderless prototyping.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Compoden","offers":[{"title":"Soldering Kit","offer_id":53459772211565,"sku":"CDN-KIT-0176-SLD","price":9680.0,"currency_code":"INR","in_stock":true},{"title":"Breadboard Combo","offer_id":53459772244333,"sku":"CDN-KIT-0176-BB","price":9070.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/kit-automated-metar-generator.png?v=1781944282"}],"url":"https:\/\/compoden.com\/collections\/esp32-kits.oembed?page=55","provider":"Compoden","version":"1.0","type":"link"}