{"product_id":"esp32-wroom-32-wifi-ble-bluetooth-mcu-module-compoden","title":"ESP32 WROOM-32 WiFi BLE Bluetooth MCU Module | Compoden","description":"\u003ch1\u003eESP32 WROOM-32 WiFi BLE Bluetooth MCU Module with 4MB Flash\u003c\/h1\u003e\n\n\u003cp\u003eThe ESP32 WROOM-32 is a low-power microcontroller module with integrated WiFi and Bluetooth\/BLE connectivity. It's ideal for IoT devices, smart home automation, and portable battery-powered projects. Its dual-core processor and rich peripheral set make it a versatile choice for both beginners and advanced developers.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n  \u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003eMicrocontroller\u003c\/td\u003e\n\u003ctd\u003eESP32-D0WDQ6 (dual-core Xtensa LX6)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eClock Speed\u003c\/td\u003e\n\u003ctd\u003e240 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e4 MB (Quad SPI)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003ctd\u003e520 KB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eWiFi\u003c\/td\u003e\n\u003ctd\u003e802.11 b\/g\/n (2.4 GHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003ev4.2 BR\/EDR and BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eGPIO Pins\u003c\/td\u003e\n\u003ctd\u003e34 (some shared with other functions)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e2.3V to 3.6V (typically 3.3V)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eWhat You Can Build With This\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-indoor-weather-station\"\u003eWi-Fi weather station that uploads data to the cloud\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-bluetooth-controlled-car\"\u003eBluetooth-controlled robot or car\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003eHome automation hub to control lights, switches, and sensors\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/kit-battery-powered-nano-mesh-node\"\u003eBattery-powered IoT sensor node for temperature, humidity, or motion\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eThis module works with the Arduino IDE via the ESP32 board package, as well as ESP-IDF and MicroPython. It's compatible with common prototyping boards and can be integrated into custom PCBs. Pair it with an external 3.3V regulator and USB-to-serial adapter for development.\u003c\/p\u003e\n\n\u003ch2\u003eWiring Notes\u003c\/h2\u003e\n\u003cp\u003eProvide a stable 3.3V supply capable of at least 500mA. The EN pin must be pulled high for normal operation. For initial programming, connect GPIO0 to ground while resetting to enter download mode. Keep antenna area clear of metal for best wireless performance.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Buy from Compoden\u003c\/h2\u003e\n\u003cp\u003eEvery component is sourced from verified suppliers and tested for compatibility before listing. We've spent 10 years building projects for makers, schools, and institutions across India. Ships from Bengaluru in 3-5 days. If defective on arrival, replace within 7 days.\u003c\/p\u003e\n\n\u003cdetails\u003e\u003csummary\u003eIs this compatible with Arduino Uno?\u003c\/summary\u003e\u003cp\u003eThe ESP32 WROOM-32 cannot plug directly into an Arduino Uno shield, but it can be programmed using the Arduino IDE with the ESP32 board package installed.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eWhat is the typical Wi-Fi range?\u003c\/summary\u003e\u003cp\u003eIn open air with the onboard ceramic antenna, expect around 100 meters line‑of‑sight. Walls and interference will reduce this.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdetails\u003e\u003csummary\u003eDoes it come with headers soldered?\u003c\/summary\u003e\u003cp\u003eNo, this is a bare module. You will need to solder it to a breakout board or your own PCB.\u003c\/p\u003e\u003c\/details\u003e\n\u003cdiv class=\"compoden-handoff\" style=\"margin-top:24px;padding:16px;background:#f0f4ff;border-left:4px solid #2B4D8F;border-radius:4px;\"\u003e\n  \u003cp style=\"margin:0 0 6px 0;font-weight:600;color:#1A3560;\"\u003e📦 Free Setup Handoff Document Included\u003c\/p\u003e\n  \u003cp style=\"margin:0;font-size:0.95em;color:#333;\"\u003eEvery Compoden order includes a free setup handoff document — step-by-step instructions to get your component working within minutes. Download it via QR code on your package. The handoff document is also trained to help you troubleshoot the majority of problems.\u003c\/p\u003e\n\u003c\/div\u003e\n","brand":"Compoden","offers":[{"title":"Default Title","offer_id":53444945674605,"sku":"CDN-0029","price":280.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0999\/3997\/5533\/files\/image_1_a5d7616d-8712-40bf-8cf3-c918dce42997.jpg?v=1781512100","url":"https:\/\/compoden.com\/products\/esp32-wroom-32-wifi-ble-bluetooth-mcu-module-compoden","provider":"Compoden","version":"1.0","type":"link"}