{"title":"ESP32 Boards","description":"\u003cp\u003eESP32 boards put Wi-Fi and Bluetooth on a fast dual-core chip, so a project can talk to your phone, a dashboard or the cloud without an extra module. You program them in the Arduino IDE once the ESP32 board package is added.\u003c\/p\u003e\n\u003cp\u003eThe classic ESP32 (30-pin DevKit) has Wi-Fi, Bluetooth Classic and BLE. The ESP32-C3 and ESP32-S3 are newer, BLE-only chips with native USB; the S3 adds more memory for camera and AI work.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow to choose:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePick the classic ESP32 for Bluetooth audio or serial.\u003c\/li\u003e\n\u003cli\u003ePick the C3 for small, low-cost Wi-Fi builds.\u003c\/li\u003e\n\u003cli\u003ePick the S3 for heavier tasks.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTwo rules matter on every ESP32:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe GPIOs are 3.3V only and not 5V tolerant, so 5V sensor outputs need a divider or level shifter.\u003c\/li\u003e\n\u003cli\u003eUse ADC1 pins (GPIO32-39) for analog readings. ADC2 pins cannot be read while Wi-Fi is on.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eAvoid GPIO6-11, which connect to the flash chip. Be careful with the strapping pins (GPIO0, 2, 5, 12 and 15), because a sensor holding one at reset can stop the board booting.\u003c\/p\u003e\n\u003ch2\u003eFrequently asked questions\u003c\/h2\u003e\n\u003ch3\u003eIs the ESP32 5V tolerant?\u003c\/h3\u003e\n\u003cp\u003eNo. Its pins are 3.3V only. Use a voltage divider or level shifter for 5V signals.\u003c\/p\u003e\n\u003ch3\u003eWhich pins should I avoid?\u003c\/h3\u003e\n\u003cp\u003eGPIO6-11 (flash), and the strapping pins GPIO0, 2, 5, 12 and 15 for sensors. GPIO34-39 are input-only.\u003c\/p\u003e\n\u003ch3\u003eDo the ESP32-C3 and S3 support Bluetooth Classic?\u003c\/h3\u003e\n\u003cp\u003eNo. They are BLE-only. Only the original ESP32 runs Classic profiles such as SPP and A2DP.\u003c\/p\u003e\n\u003ch3\u003eESP32 or ESP8266?\u003c\/h3\u003e\n\u003cp\u003eFor new projects, the ESP32. It adds Bluetooth, more GPIO and a second core. The ESP8266 suits existing projects or the smallest Wi-Fi-only builds.\u003c\/p\u003e\n\u003ch2\u003eGuides\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/guides\/esp32-pinout-guide-which-pins-safe\"\u003eESP32 Pinout Guide: Which Pins Are Safe to Use\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/guides\/how-to-set-up-esp32-c3-and-esp32-s3\"\u003eHow to Set Up an ESP32-C3 and ESP32-S3\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/blogs\/guides\/esp32-vs-esp8266-which-one-2026\"\u003eESP32 vs ESP8266: Which One Should You Buy in 2026?\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Is the ESP32 5V tolerant?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. Its pins are 3.3V only. Use a voltage divider or level shifter for 5V signals.\"}}, {\"@type\": \"Question\", \"name\": \"Which pins should I avoid?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"GPIO6-11 (flash), and the strapping pins GPIO0, 2, 5, 12 and 15 for sensors. GPIO34-39 are input-only.\"}}, {\"@type\": \"Question\", \"name\": \"Do the ESP32-C3 and S3 support Bluetooth Classic?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. They are BLE-only. Only the original ESP32 runs Classic profiles such as SPP and A2DP.\"}}, {\"@type\": \"Question\", \"name\": \"ESP32 or ESP8266?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"For new projects, the ESP32. It adds Bluetooth, more GPIO and a second core. The ESP8266 suits existing projects or the smallest Wi-Fi-only builds.\"}}]}\u003c\/script\u003e\n\u003ch2\u003eReference pages on soldr.ai\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/soldr.ai\/docs\/boards\/nodemcu-32s\"\u003eNodeMCU-32S (ESP32)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/soldr.ai\/docs\/boards\/esp32-c6-wroom-1\"\u003eESP32-C6-WROOM-1 (N8)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/soldr.ai\/docs\/boards\/wt32-eth01-evo\"\u003eWT32-ETH01 EVO\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/soldr.ai\/docs\/boards\/esp32-s3-devkitc-1\"\u003eESP32-S3-DevKitC-1\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/soldr.ai\/docs\/boards\/esp32-30-pin\"\u003eESP32 30-pin board (CP2102)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/soldr.ai\/docs\/boards\/esp32-devkitc\"\u003eESP32-DevKitC\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/soldr.ai\/docs\/boards\/esp32-cam\"\u003eESP32-CAM\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/soldr.ai\/docs\/boards\/esp32-wroom-32\"\u003eESP32-WROOM-32 module\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/soldr.ai\/docs\/boards\/heltec-wifi-lora-32-v2\"\u003eHeltec WiFi LoRa 32 V2\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/soldr.ai\/docs\/boards\/ttgo-t-call\"\u003eTTGO T-Call ESP32 + SIM800L\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eMore guides on soldr.ai\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/soldr.ai\/blog\/esp32-boot-strapping-pins\"\u003eESP32 strapping pins\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/soldr.ai\/blog\/5v-sensor-3v3-esp32-logic-levels\"\u003e5 V sensors on a 3.3 V ESP32\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDescribe your build on \u003ca href=\"https:\/\/app.soldr.ai\"\u003eSoldr\u003c\/a\u003e and it picks the parts, writes and compiles the code, and shows how to wire them. Sign in and get 100 credits free.\u003c\/p\u003e","products":[{"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 3-7 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":1400.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/wt32-eth01-evo-esp32-ethernet-development-board-4783900.jpg?v=1790780406"},{"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, BLE 5 and 802.15.4\u003c\/h1\u003e\n\u003cp\u003eThe ESP32-C6-WROOM-1-N8 is a development board based on the ESP32-C6 chip, featuring a single-core 32-bit RISC-V processor, Wi-Fi 6 (802.11ax), Bluetooth 5 Low Energy, and an IEEE 802.15.4 radio for Thread, Zigbee, and Matter. It's ideal for low-power, high-efficiency IoT and smart-home applications. With 8MB of flash memory, it handles 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 (single-core 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\u003eWi-Fi 6, 802.11ax (2.4 GHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eBluetooth 5 Low Energy (LE) with Mesh\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e802.15.4\u003c\/td\u003e\n\u003ctd\u003eThread \/ Zigbee \/ Matter\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 (3.3V typical)\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 or Thread mesh networking\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/esp32-matter-smart-home-kit-temperature-sensor-and-relay-compoden\"\u003eMatter-compliant smart home device over Thread or Wi-Fi\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eZigbee gateway or end device using the onboard 802.15.4 radio\u003c\/li\u003e\n  \u003cli\u003eWireless data logger with OTA firmware updates\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eWorks with Arduino IDE (ESP32 Arduino core), ESP-IDF, and MicroPython. Compatible with standard 3.3V sensors, actuators, and expansion boards. Pairs well with the 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 the EN pin to 3.3V through a 10kΩ pull-up resistor. For UART programming, connect TX, RX, and GPIO0 to the appropriate programmer pins. All GPIO operate at 3.3V — do not apply 5V to any 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 3-7 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\u003eYes. The ESP32-C6 includes an IEEE 802.15.4 radio, the basis for Thread and Zigbee, enabling Matter-over-Thread devices in addition to Matter-over-Wi-Fi.\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\/esp32-c6-wroom-1-n8-microcontroller-board-with-wi-fi-6-ble-5-7616052.jpg?v=1790780406"},{"product_id":"geolinker-esp32-gsm-gps-cellular-iot-board-cdn-0005","title":"Geolinker ESP32 GSM \u0026 GPS Cellular IoT Board","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 30 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":1990.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/geolinker-esp32-gsm-gps-cellular-iot-board-2596746.jpg?v=1790780406"},{"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 3-7 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":860.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/ai-thinker-nodemcu-32s-esp32-dev-board-ipex-wi-fi-ble-4006535.jpg?v=1790780406"},{"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 3-7 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":290.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/esp32-c3-super-mini-development-board-hw-466ab-wifi-ble-risc-v-board-2985766.jpg?v=1790780408"},{"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 3-7 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\/ttgo-t-call-esp32-sim800l-module-for-iot-gsm-projects-3416020.jpg?v=1790780406"},{"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\u003e3.0V 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 3-7 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":434.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/esp32-wroom-32-wifi-ble-bluetooth-mcu-module-compoden-5799713.jpg?v=1790780406"},{"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 3-7 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\/esp32-cam-board-ov2640-ov3660-wifi-bluetooth-module-9069869.jpg?v=1790780406"},{"product_id":"heltec-lora-esp32-oled-display-iot-board-with-wifi-bluetooth","title":"Heltec WiFi LoRa 32 (V2) ESP32 OLED 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 3-7 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":2250.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/heltec-lora-esp32-oled-display-iot-board-with-wifi-bluetooth-6389921.jpg?v=1790780048"},{"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 3-7 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\/crowpanel-128-esp32-round-touch-display-compoden-2253998.jpg?v=1790779627"},{"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 3-7 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\/elecrow-24inch-esp32-solo-miner-lcd-display-7880540.jpg?v=1790779627"},{"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 3-7 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":449.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/esp32-30-pin-development-board-cp2102-wifi-bluetooth-1839393.jpg?v=1790779627"},{"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 3-7 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\u003cdetails\u003e\u003csummary\u003eDo you deliver across India?\u003c\/summary\u003e\u003cp\u003eYes. We ship ESP32-DEVKITC Development Board (Black) – WiFi Bluetooth Module across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Orders ship in 3-7 days.\u003c\/p\u003e\u003c\/details\u003e\u003cdetails\u003e\u003csummary\u003eWhat payment options are available for ESP32-DEVKITC Development Board (Black) – WiFi Bluetooth Module?\u003c\/summary\u003e\u003cp\u003eWe accept UPI, all major debit and credit cards, and Cash on Delivery (COD) if checkout offers it for your order.\u003c\/p\u003e\u003c\/details\u003e\u003cp\u003eBuilt and shipped from Compoden, with UPI and cards, plus COD if checkout offers it for your order.\u003c\/p\u003e","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53445084283245,"sku":"CDN-0022","price":340.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/esp32-devkitc-development-board-black-wifi-bluetooth-module-3147398.jpg?v=1790779626"},{"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 3-7 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":410.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/esp32s-38pin-development-board-wifi-bluetooth-iot-2680595.jpg?v=1790779626"},{"product_id":"esp32-s3-devkitc-1-n16r8-development-board","title":"ESP32-S3-DevKitC-1 N16R8 Development Board","description":"\u003ch1\u003eESP32-S3-DevKitC-1 N16R8 Development Board\u003c\/h1\u003e\n\n\u003cp\u003eThe ESP32-S3-DevKitC-1 N16R8 is an Espressif development board built around the ESP32-S3 dual-core Xtensa LX7 processor. It packs 16MB of flash memory and 8MB of PSRAM, with USB-C connectivity and integrated 2.4 GHz Wi-Fi and Bluetooth LE 5.0. This board is designed for AI, machine learning, and IoT projects that require extra memory and processing power.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMicrocontroller: ESP32-S3 dual-core Xtensa LX7, up to 240 MHz\u003c\/li\u003e\n\u003cli\u003eFlash memory: 16MB (quad SPI)\u003c\/li\u003e\n\u003cli\u003ePSRAM: 8MB (octal SPI)\u003c\/li\u003e\n\u003cli\u003eWireless: 2.4 GHz Wi-Fi (802.11 b\/g\/n), Bluetooth LE 5.0\u003c\/li\u003e\n\u003cli\u003eUSB interface: USB-C (native USB OTG)\u003c\/li\u003e\n\u003cli\u003eGPIO: 45 programmable pins (some multiplexed)\u003c\/li\u003e\n\u003cli\u003eOn-board antenna: PCB trace antenna\u003c\/li\u003e\n\u003cli\u003eDimensions: 54.4 mm x 27.9 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino IDE (with ESP32 board package)\u003c\/li\u003e\n\u003cli\u003eESP-IDF (Espressif IoT Development Framework)\u003c\/li\u003e\n\u003cli\u003eMicroPython\u003c\/li\u003e\n\u003cli\u003ePlatformIO\u003c\/li\u003e\n\u003cli\u003eTensorFlow Lite Micro\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eEdge AI inference: run lightweight neural networks for image or audio classification\u003c\/li\u003e\n\u003cli\u003eSmart home hub: manage multiple Wi-Fi and BLE devices from a single board\u003c\/li\u003e\n\u003cli\u003eUSB-C peripheral: use the native USB OTG to connect keyboards, mice, or storage\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery ESP32-S3-DevKitC-1 comes with access to our AI build companion — delivered via QR, email, or WhatsApp — that helps you wire and program this board into a working project. With 10 years of experience supplying makers and institutions across India, we ensure you get genuine Espressif hardware. Pay your way: UPI or cards anywhere in India, plus COD if checkout offers it for your order.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between N16R8 and other ESP32-S3 variants?\u003c\/summary\u003e\n\u003cp\u003eThe N16R8 designation means 16MB flash (N16) and 8MB PSRAM (R8). Other variants like N8R2 have 8MB flash and 2MB PSRAM. The N16R8 offers the most memory for memory-intensive AI and ML workloads.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for the ESP32-S3-DevKitC-1 N16R8?\u003c\/summary\u003e\n\u003cp\u003eYou can pay via UPI, credit\/debit cards, or Cash on Delivery (COD) if checkout offers it for your order. All payment options are available across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow long does delivery take?\u003c\/summary\u003e\n\u003cp\u003eWe ship the ESP32-S3-DevKitC-1 N16R8 across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Dispatch time: 3-7 days. Delivery takes 2-7 days after dispatch, depending on your location.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cp\u003eBuy ESP32-S3-DevKitC-1 N16R8 Development Board online in India with UPI and cards, plus COD if checkout offers it for your order.\u003c\/p\u003e\n\n","brand":"Espressif","offers":[{"title":"Default Title","offer_id":53492230193517,"sku":"CDN-2205","price":1169.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/esp32-s3-devkitc-1-n16r8-development-board-1369497.png?v=1787999946"},{"product_id":"esp32-c6-supermini-development-board-with-wifi-6-bluetooth-5-next-gen-iot-microcontroller","title":"ESP32-C6 SuperMini Development Board","description":"\u003ch1\u003eESP32-C6 SuperMini Development Board\u003c\/h1\u003e\n\u003cp\u003eThe ESP32-C6 SuperMini is a next-generation development board built around Espressif's RISC-V microcontroller. It integrates Wi-Fi 6 (802.11ax), Bluetooth 5 LE, Thread, and Zigbee protocols, making it ideal for Matter smart-home applications and low-power IoT projects.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMicrocontroller: RISC-V 32-bit single-core, up to 160 MHz\u003c\/li\u003e\n\u003cli\u003eWireless: Wi-Fi 6 (802.11ax), Bluetooth 5 LE, Thread, Zigbee\u003c\/li\u003e\n\u003cli\u003eFlash Memory: 4 MB\u003c\/li\u003e\n\u003cli\u003eSRAM: 512 KB\u003c\/li\u003e\n\u003cli\u003eGPIO Pins: 15 (multiplexed)\u003c\/li\u003e\n\u003cli\u003eInterface: USB Type-C (UART\/JTAG)\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: 3.3V\u003c\/li\u003e\n\u003cli\u003eDimensions: 25.4 mm x 17.8 mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cp\u003eArduino IDE, ESP-IDF, PlatformIO, MicroPython, and Home Assistant (via Matter). Works with Raspberry Pi, ESP32, and ESP8266 ecosystems.\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMatter-compatible smart home devices (lighting, sensors, switches)\u003c\/li\u003e\n\u003cli\u003eLow-power wireless sensor nodes for environmental monitoring\u003c\/li\u003e\n\u003cli\u003eThread\/Zigbee mesh networks for home automation\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery ESP32-C6 SuperMini includes a free AI build companion delivered via QR, email, or WhatsApp — guiding you through wiring and programming your first project. With 10 years of experience supplying makers, schools, and engineering institutions across India, we ensure reliable components and support. Pay your way: UPI or cards anywhere in India, plus COD if checkout offers it for your order.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the ESP32-C6 SuperMini used for?\u003c\/summary\u003e\n\u003cp\u003eIt is used for building Matter smart-home devices, low-power IoT sensors, and Thread\/Zigbee mesh networks.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for the ESP32-C6 SuperMini?\u003c\/summary\u003e\n\u003cp\u003eWe accept UPI, all major credit\/debit cards, and Cash on Delivery (COD) if checkout offers it for your order.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow is the ESP32-C6 SuperMini delivered?\u003c\/summary\u003e\n\u003cp\u003eWe ship the ESP32-C6 SuperMini across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eBuy ESP32-C6 SuperMini Online in India\u003c\/summary\u003e\n\u003cp\u003eOrder the ESP32-C6 SuperMini from Compoden with UPI and cards, plus COD if checkout offers it for your order.\u003c\/p\u003e\n\u003c\/details\u003e\n\n","brand":"Espressif","offers":[{"title":"Default Title","offer_id":53492251918701,"sku":"CDN-2204","price":560.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/esp32-c6-supermini-development-board-5982224.jpg?v=1785259629"},{"product_id":"esp32-s3-supermini-development-board-wifi-bluetooth-le-ultra-compact-ai-iot-microcontroller","title":"ESP32-S3 SuperMini Development Board","description":"\u003ch1\u003eESP32-S3 SuperMini Development Board\u003c\/h1\u003e\n\u003cp\u003eThe ESP32-S3 SuperMini is an ultra-compact development board built around Espressif's dual-core Xtensa LX7 processor running at 240 MHz. It integrates Wi-Fi, Bluetooth 5 LE, native USB, and AI\/edge vector instructions in a 22.5x18mm form factor, making it ideal for IoT, robotics, and edge AI applications.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMicrocontroller: ESP32-S3 dual-core Xtensa LX7 @ 240 MHz\u003c\/li\u003e\n\u003cli\u003eWireless: 2.4 GHz Wi-Fi (802.11 b\/g\/n), Bluetooth 5 LE\u003c\/li\u003e\n\u003cli\u003eMemory: ~512 KB SRAM (on-chip), external PSRAM (varies by variant)\u003c\/li\u003e\n\u003cli\u003eUSB: Native USB (USB-OTG) for programming and data\u003c\/li\u003e\n\u003cli\u003eAI Acceleration: Vector instructions for edge AI inference\u003c\/li\u003e\n\u003cli\u003ePower Consumption: ~43 µA in deep sleep\u003c\/li\u003e\n\u003cli\u003eDimensions: 22.5 x 18 mm (SuperMini form factor)\u003c\/li\u003e\n\u003cli\u003ePinout: 18 GPIO pins (including ADC, SPI, I2C, UART, PWM)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cp\u003eArduino IDE, ESP-IDF, MicroPython, PlatformIO, CircuitPython. Works with Arduino, ESP32, ESP8266, Raspberry Pi, STM32, and other microcontroller platforms via UART, SPI, or I2C.\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eCompact IoT sensors and edge AI devices (e.g., smart thermostats, gesture recognition)\u003c\/li\u003e\n\u003cli\u003eLow-power wireless robots and drones with real-time control\u003c\/li\u003e\n\u003cli\u003ePortable data loggers and wearable electronics with deep sleep capability\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery ESP32-S3 SuperMini from Compoden comes with an AI build companion — delivered via QR, email, or WhatsApp — that helps you wire and program this board into a working project. With 10 years of experience supplying makers, schools, and engineering institutions across India, we ensure you get genuine parts and reliable support. Pay your way: UPI or cards anywhere in India, plus COD if checkout offers it for your order.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between ESP32-S3 and ESP32?\u003c\/summary\u003e\n\u003cp\u003eThe ESP32-S3 adds a dual-core Xtensa LX7 processor (up to 240 MHz), native USB, Bluetooth 5 LE, and AI vector instructions for edge inference. It does not include Bluetooth Classic or Ethernet MAC, unlike some ESP32 variants.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for ESP32-S3 SuperMini?\u003c\/summary\u003e\n\u003cp\u003eWe accept UPI, all major credit\/debit cards, and Cash on Delivery (COD) if checkout offers it for your order.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I program the ESP32-S3 SuperMini?\u003c\/summary\u003e\n\u003cp\u003eConnect via USB-C to your computer. Use Arduino IDE (with ESP32 board package), ESP-IDF, MicroPython, or PlatformIO. The board appears as a native USB device — no external programmer needed.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow long does delivery take?\u003c\/summary\u003e\n\u003cp\u003eWe ship ESP32-S3 SuperMini across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Delivery takes 2-7 days after dispatch, depending on your location.\u003c\/p\u003e\n\u003c\/details\u003e\n\n","brand":"Espressif","offers":[{"title":"Default Title","offer_id":53492252180845,"sku":"CDN-2206","price":587.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/esp32-s3-supermini-development-board-7596422.jpg?v=1785259629"},{"product_id":"wifi-serial-transceiver-module-esp32","title":"WiFi Serial Transceiver Module - ESP32","description":"\u003ch1\u003eWiFi Serial Transceiver Module - ESP32\u003c\/h1\u003e\n\u003cp\u003eThe ESP32 WiFi Serial Transceiver Module is a dual-core microcontroller with integrated 2.4GHz WiFi and Bluetooth connectivity, enabling seamless wireless communication for IoT and embedded systems projects. Professional engineers and IoT developers rely on this module for building smart home automation, industrial monitoring systems, and real-time data acquisition platforms.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMicrocontroller: Xtensa dual-core 32-bit LX6, up to 240 MHz clock speed\u003c\/li\u003e\n\u003cli\u003eWireless: 2.4GHz WiFi (802.11 b\/g\/n) and Bluetooth 4.2 (BR\/EDR and BLE)\u003c\/li\u003e\n\u003cli\u003eInterface: UART serial communication (default baud rate 115200)\u003c\/li\u003e\n\u003cli\u003eGPIO Pins: 34 programmable GPIO pins (including ADC, DAC, touch sensors, SPI, I2C, PWM). GPIO6-GPIO11 are reserved for the module's internal SPI flash and are not available for your own use.\u003c\/li\u003e\n\u003cli\u003eOperating Voltage: 3.3V (logic level)\u003c\/li\u003e\n\u003cli\u003eFlash Memory: 4MB\u003c\/li\u003e\n\u003cli\u003eDimensions: 25mm x 18mm x 3mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cp\u003eArduino IDE, ESP32 Arduino Core, MicroPython, ESP-IDF, PlatformIO. Works with Raspberry Pi, STM32, and other host microcontrollers via UART.\u003c\/p\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSmart home controller with WiFi-enabled relay switching and sensor monitoring\u003c\/li\u003e\n\u003cli\u003eWireless data logger transmitting temperature, humidity, or pressure readings to the cloud\u003c\/li\u003e\n\u003cli\u003eBLE beacon for proximity-based automation or asset tracking\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery ESP32 module ships with access to our AI build companion, delivered via QR code, email, or WhatsApp, to help you wire and program it into a working project. With 10 years of experience supplying makers and institutions across India, we ensure reliable components and fast support. Pay your way: UPI or cards anywhere in India, plus COD if checkout offers it for your order.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the operating voltage and logic level of the ESP32 module?\u003c\/summary\u003e\n\u003cp\u003eThe ESP32 operates at 3.3V logic level. All GPIO pins are 3.3V tolerant; connecting 5V signals directly may damage the module.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for the WiFi Serial Transceiver Module ESP32?\u003c\/summary\u003e\n\u003cp\u003eWe accept UPI, all major credit and debit cards, and Cash on Delivery (COD) if checkout offers it for your order.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow long does delivery take for the ESP32 module?\u003c\/summary\u003e\n\u003cp\u003eWe ship the ESP32 module across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Delivery takes 2-7 days after dispatch, depending on your location.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cp\u003eReady to start your next IoT project? Order the ESP32 WiFi Serial Transceiver Module today with UPI and cards, plus COD if checkout offers it for your order.\u003c\/p\u003e\n\n","brand":"Espressif","offers":[{"title":"Default Title","offer_id":53492634747245,"sku":"CDN-2331","price":400.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/wifi-serial-transceiver-module-esp32-1771464.jpg?v=1785259627"},{"product_id":"waveshare-esp32-s3-1-8inch-knob-display-development-board-no-battery","title":"Waveshare ESP32-S3 1.8inch Knob Display Development Board (No Battery)","description":"\u003ch1\u003eWaveshare ESP32-S3 1.8inch Knob Display Development Board (No Battery)\u003c\/h1\u003e\n\n\u003cp\u003eThis integrated development board combines an ESP32-S3 main processor with a dedicated ESP32 co-processor, a 1.8-inch round capacitive-touch IPS LCD (360x360 resolution), and a rotary encoder with a CNC-machined metal knob. It is designed for building smart-dial human-machine interfaces, IoT control panels, and interactive demos that require a compact display and tactile input.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMain MCU:\u003c\/strong\u003e ESP32-S3 (dual-core Xtensa LX7, up to 240MHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCo-processor:\u003c\/strong\u003e ESP32 (dual-core, up to 240MHz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWireless:\u003c\/strong\u003e 2.4GHz Wi-Fi 802.11 b\/g\/n + Bluetooth 5 (LE \u0026amp; Classic)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMemory:\u003c\/strong\u003e 512KB SRAM, 384KB ROM, 16MB Flash, 8MB PSRAM\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay:\u003c\/strong\u003e 1.8-inch round IPS LCD, 360x360 pixels, capacitive touch (I2C with interrupt output)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput:\u003c\/strong\u003e Rotary encoder with push-button, integrated into metal knob\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio:\u003c\/strong\u003e Onboard audio codec with speaker and digital microphone\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnectivity:\u003c\/strong\u003e USB-C for power and programming\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnclosure:\u003c\/strong\u003e CNC-machined metal case\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery:\u003c\/strong\u003e This variant ships without the 3.7V 102035 lithium battery\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino IDE (using Arduino_GFX or LVGL libraries)\u003c\/li\u003e\n\u003cli\u003eESP-IDF development framework\u003c\/li\u003e\n\u003cli\u003ePlatformIO\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSmart home control panel with rotary dial for lighting, thermostat, or music volume\u003c\/li\u003e\n\u003cli\u003eDesktop clock or weather station with touch-based settings and knob navigation\u003c\/li\u003e\n\u003cli\u003eInteractive demo kiosk for IoT devices with a compact round display\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery board ships with access to our AI build companion, delivered via QR code, email, or WhatsApp, to help you wire, program, and debug your project. With 10 years of experience supplying makers and institutions across India, we ensure you get genuine components and reliable support. Pay your way: UPI or cards anywhere in India, plus COD if checkout offers it for your order.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDisplay driver, touch controller and full GPIO pin map\u003c\/summary\u003e\n\u003cp\u003eConfirmed against Waveshare's official demo firmware for the ESP32-S3-Knob-Touch-LCD-1.8. This is a \u003cstrong\u003eQSPI round AMOLED\u003c\/strong\u003e panel — it is NOT an SPI ST7735\/ST7789 module, so do not use a plain TFT_eSPI ST7735 setup. Build on Waveshare's LVGL \/ esp_lcd QSPI demo.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay driver:\u003c\/strong\u003e Sitronix SH8601 (QSPI AMOLED), 360×360, 16 bit\/px. Some board revisions ship an ST77916 (also QSPI) — the pin map below is identical for both.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDisplay pins (QSPI):\u003c\/strong\u003e CS=GPIO14, PCLK\/SCK=GPIO13, D0=GPIO15, D1=GPIO16, D2=GPIO17, D3=GPIO18, RST=GPIO21, Backlight(PWM)=GPIO47\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTouch controller:\u003c\/strong\u003e CST816 over I2C, address 0x15 — SDA=GPIO11, SCL=GPIO12\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotary encoder (knob):\u003c\/strong\u003e phase A=GPIO8, phase B=GPIO7\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHaptics:\u003c\/strong\u003e DRV2605 vibration driver (shares the I2C bus)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAudio:\u003c\/strong\u003e PCM5100A I2S DAC\/codec to the 3.5mm jack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eReference firmware \u0026amp; schematic: \u003ca href=\"https:\/\/www.waveshare.com\/wiki\/ESP32-S3-Knob-Touch-LCD-1.8\"\u003eWaveshare wiki\u003c\/a\u003e.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for the Waveshare ESP32-S3 Knob Display Board?\u003c\/summary\u003e\n\u003cp\u003eWe accept UPI, all major credit\/debit cards, and Cash on Delivery (COD) if checkout offers it for your order.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow long does delivery take and where do you ship?\u003c\/summary\u003e\n\u003cp\u003eWe ship the Waveshare ESP32-S3 Knob Display Board across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Delivery takes 2-7 days after dispatch, depending on your location.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eDoes this board include a battery?\u003c\/summary\u003e\n\u003cp\u003eNo, this variant ships without the 3.7V 102035 lithium battery. You can purchase it separately if needed.\u003c\/p\u003e\n\u003c\/details\u003e\n\n","brand":"Waveshare","offers":[{"title":"Default Title","offer_id":53590900736365,"sku":"CDN-2352","price":5700.0,"currency_code":"INR","in_stock":true}]},{"product_id":"lilygo-ttgo-esp32-t-display-1-14inch-lcd-wifi-bluetooth-development-board","title":"LilyGo TTGO ESP32 T-Display 1.14inch LCD WiFi Bluetooth Development Board","description":"\u003ch1\u003eLilyGo TTGO ESP32 T-Display 1.14inch LCD WiFi Bluetooth Development Board\u003c\/h1\u003e\n\n\u003cp\u003eThe LilyGo TTGO ESP32 T-Display is a compact development board that integrates a dual-core ESP32 microcontroller with a 1.14-inch colour IPS LCD. It is designed for makers and engineers building portable IoT demos, pocket dashboards, and wearable badges that need a built-in display without external wiring.\u003c\/p\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eMCU: ESP32 dual-core Xtensa LX6, up to 240MHz\u003c\/li\u003e\n\u003cli\u003eWireless: 2.4GHz Wi-Fi 802.11 b\/g\/n, Bluetooth Classic + BLE\u003c\/li\u003e\n\u003cli\u003eDisplay: 1.14-inch IPS LCD, ST7789V driver, 135x240 resolution, SPI interface\u003c\/li\u003e\n\u003cli\u003eUSB-Serial: CH9102\/CP210x, USB-C connector for power and programming\u003c\/li\u003e\n\u003cli\u003eBattery management: Li-Po charge current 500mA, input 2.7V–4.2V\u003c\/li\u003e\n\u003cli\u003eWorking current: ~60mA\u003c\/li\u003e\n\u003cli\u003eSide buttons: Two programmable (GPIO0, GPIO35)\u003c\/li\u003e\n\u003cli\u003eDisplay pin map (TFT_eSPI): MOSI=GPIO19, SCLK=GPIO18, CS=GPIO5, DC=GPIO16, RST=GPIO23, backlight=GPIO4\u003c\/li\u003e\n\u003cli\u003eDimensions: Compact board, no external display wiring required\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatible with\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eArduino IDE (with TFT_eSPI library)\u003c\/li\u003e\n\u003cli\u003eESP-IDF\u003c\/li\u003e\n\u003cli\u003ePlatformIO\u003c\/li\u003e\n\u003cli\u003eMicroPython (community support)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eWhat you can build with it\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePocket weather station that shows live sensor data on the LCD\u003c\/li\u003e\n\u003cli\u003eRetro handheld game console with side-button controls\u003c\/li\u003e\n\u003cli\u003eSmart badge or name tag with Wi-Fi–updated content\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuilt and Backed by Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery LilyGo TTGO ESP32 T-Display comes with access to our AI build companion — delivered via QR code, email, or WhatsApp — that helps you wire and program this board into a working project. With 10 years of supplying electronics to makers and institutions across India, we ensure you get genuine parts and reliable support. Pay your way: UPI or cards anywhere in India, plus COD if checkout offers it for your order.\u003c\/p\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow do I program the T-Display with Arduino IDE?\u003c\/summary\u003e\n\u003cp\u003eInstall the ESP32 board package in Arduino IDE, then install the TFT_eSPI library. Select the \"TTGO T-Display\" board variant from the Tools menu. The display pin map is pre-configured in the library's User_Setup.h file.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eWhat payment options are available for the LilyGo TTGO ESP32 T-Display?\u003c\/summary\u003e\n\u003cp\u003eYou can pay using UPI, credit\/debit cards, or Cash on Delivery (COD) if checkout offers it for your order. All payment methods are available across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cdetails\u003e\n\u003csummary\u003eHow long does delivery take?\u003c\/summary\u003e\n\u003cp\u003eWe ship the LilyGo TTGO ESP32 T-Display across India including Delhi, Mumbai, Bangalore, Hyderabad, Chennai, and Pune. Delivery takes 2-7 days after dispatch, depending on your location.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003cp\u003eBuy LilyGo TTGO ESP32 T-Display online in India — with UPI and cards, plus COD if checkout offers it for your order.\u003c\/p\u003e\n\n","brand":"LilyGo","offers":[{"title":"Default Title","offer_id":53590905061741,"sku":"CDN-2353","price":1700.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/lilygo-ttgo-esp32-t-display-114inch-lcd-wifi-bluetooth-development-board-2399301.jpg?v=1785259030"},{"product_id":"m5stack-coreink-esp32-e-ink-display-development-board","title":"M5Stack CoreInk - ESP32 E-Ink Display Development Board","description":"\u003cp\u003eM5Stack CoreInk - ESP32 E-Ink Display Development Board\u003c\/p\u003e\u003cp\u003eThe M5Stack CoreInk is a compact, ultra-low-power development board built around the ESP32-PICO-D4 (dual-core, Wi-Fi + Bluetooth) with a 1.54inch black\/white E-Ink (E-Paper, GDEW0154M09 panel) display at 200x200 resolution. A built-in BM8563 real-time clock lets the board wake from deep sleep on a schedule without keeping the main chip powered, and the onboard 390mAh Li-Po battery (rechargeable over USB-C) makes it suited to always-on, battery-run displays such as badges, price\/shelf labels, and low-refresh dashboards.\u003c\/p\u003e\u003cp\u003eInput is a single side button plus a 3-position dial switch (up\/press\/down) for menu navigation, and a HY2.0-4P Grove-style port breaks out a second, external I2C bus for sensors. Programmable via the Arduino IDE (M5Stack board package) or UIFlow.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMCU: ESP32-PICO-D4, dual-core Xtensa LX6 @ 240MHz, Wi-Fi + Bluetooth\u003c\/li\u003e\n\u003cli\u003eDisplay: 1.54in E-Ink, 200x200, black\/white, GDEW0154M09 panel\u003c\/li\u003e\n\u003cli\u003eRTC: BM8563 (PCF8563-compatible) for scheduled deep-sleep wake\u003c\/li\u003e\n\u003cli\u003eBattery: built-in 390mAh Li-Po, USB-C charging\u003c\/li\u003e\n\u003cli\u003eInput: 1 side button + 3-position dial switch (up\/press\/down)\u003c\/li\u003e\n\u003cli\u003eExpansion: HY2.0-4P port (external I2C, SDA\/SCL)\u003c\/li\u003e\n\u003cli\u003eConnector: USB-C\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"M5Stack","offers":[{"title":"Default Title","offer_id":53747277660525,"sku":"CDN-2356","price":2800.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/m5stack-coreink-esp32-e-ink-display-development-board-6499877.jpg?v=1787999768"},{"product_id":"heltec-wifi-lora-32-v3-esp32-s3-sx1262-oled","title":"Heltec WiFi LoRa 32 (V3) - ESP32-S3 + SX1262 LoRa Board with 0.96\" OLED (863-928 MHz)","description":"\u003ch1\u003eHeltec WiFi LoRa 32 (V3) – ESP32-S3 + SX1262 LoRa Board with 0.96\" OLED\u003c\/h1\u003e\n\u003cp\u003eThe Heltec WiFi LoRa 32 V3 pairs an ESP32-S3 with a Semtech SX1262 LoRa radio and a built-in 0.96-inch 128×64 OLED display. It charges a 3.7V LiPo on board, so a single board, an antenna and a battery make a complete long-range node. It is the go-to board for Meshtastic mesh networks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBuilt-in screen:\u003c\/strong\u003e you do not need a separate OLED display for this board.\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-S3FN8, dual-core Xtensa LX7, 240 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoRa transceiver\u003c\/td\u003e\n\u003ctd\u003eSemtech SX1262, 863–928 MHz (covers India's 865–867 MHz band), up to 21 dBm, −134 dBm sensitivity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDisplay\u003c\/td\u003e\n\u003ctd\u003eBuilt-in 0.96\" OLED, 128×64, I2C (SDA GPIO17, SCL GPIO18, RST GPIO21)\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 5 (LE)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory\u003c\/td\u003e\n\u003ctd\u003e8 MB flash, 512 KB SRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB\u003c\/td\u003e\n\u003ctd\u003eUSB-C (CP2102 USB-serial)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery\u003c\/td\u003e\n\u003ctd\u003eSH1.25-2 connector, 3.7V LiPo charging and protection on board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSize\u003c\/td\u003e\n\u003ctd\u003e50.2 × 25.5 × 10.2 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\u003eMeshtastic off-grid messaging node\u003c\/li\u003e\n\u003cli\u003eLoRa sensor network for farms and fields\u003c\/li\u003e\n\u003cli\u003eRemote weather station with readings on the built-in OLED\u003c\/li\u003e\n\u003cli\u003eLoRa-to-Wi-Fi gateway\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eAlways connect the LoRa antenna (IPEX\/U.FL) before transmitting. The OLED and the LoRa antenna boost are powered through Vext (GPIO36, active LOW): set it LOW in your code before using the display. Feed it 5V over USB-C (at least 600 mA) or a 1S LiPo on the battery connector.\u003c\/p\u003e\n\u003ch2\u003eV3 vs V2\u003c\/h2\u003e\n\u003cp\u003eThe V3 uses the ESP32-S3 and SX1262. The older V2 uses the ESP32 and SX1276, and its pins and firmware differ. Choose the V3 for current Meshtastic builds.\u003c\/p\u003e\n\u003ch2\u003eAvailability\u003c\/h2\u003e\n\u003cp\u003eImported to order: ships in about 30 days.\u003c\/p\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it work with Meshtastic?\u003c\/summary\u003e\u003cp\u003eYes. Flash the Meshtastic \"Heltec V3\" firmware. If the screen stays blank, set the OLED override to SSD1306 in the Meshtastic settings.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eIs it compatible with Arduino IDE?\u003c\/summary\u003e\u003cp\u003eYes. Install the ESP32 board package and select \"Heltec WiFi LoRa 32(V3)\". RadioLib supports the SX1262.\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":67819593498989,"sku":"CDN-4414","price":3499.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/heltec-wifi-lora-32-v3-esp32-s3-sx1262-lora-board-with-096-oled-863-928-mhz-7719970.jpg?v=1793098566"}],"url":"https:\/\/compoden.com\/collections\/esp32-boards.oembed","provider":"Compoden","version":"1.0","type":"link"}