{"product_id":"esp32-development-board-dual-core-240mhz-wifi-bluetooth-ultra-low-power","title":"ESP32 Development Board — Dual-Core 240MHz, WiFi + Bluetooth, Ultra-Low Power IoT","description":"\u003ch2\u003eESP32 Development Board — Dual-Core 240MHz, WiFi + Bluetooth\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eESP32 development board\u003c\/strong\u003e is the definitive platform for \u003cstrong\u003eWiFi and Bluetooth IoT projects\u003c\/strong\u003e. Powered by the \u003cstrong\u003edual-core Xtensa LX6 processor at 240MHz\u003c\/strong\u003e, it combines \u003cstrong\u003e802.11 b\/g\/n WiFi\u003c\/strong\u003e, \u003cstrong\u003eBluetooth 4.2 Classic + BLE\u003c\/strong\u003e, \u003cstrong\u003e34 programmable GPIO pins\u003c\/strong\u003e, and an ultra-low power deep sleep mode drawing \u003cstrong\u003eless than 10µA\u003c\/strong\u003e — making it the most capable and versatile microcontroller platform for battery-powered and mains-connected IoT applications.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003eKey Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eValue\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor\u003c\/td\u003e\n\u003ctd\u003eDual-Core Xtensa LX6 @ 240MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWiFi\u003c\/td\u003e\n\u003ctd\u003e802.11 b\/g\/n (2.4GHz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eClassic BT 4.2 + BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSRAM\u003c\/td\u003e\n\u003ctd\u003e520KB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e4MB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPIO Pins\u003c\/td\u003e\n\u003ctd\u003e34 programmable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC\u003c\/td\u003e\n\u003ctd\u003e12-bit, 18 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDAC\u003c\/td\u003e\n\u003ctd\u003e2× 8-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterfaces\u003c\/td\u003e\n\u003ctd\u003eI²C, SPI, UART, I²S, CAN, Touch, PWM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeep Sleep Current\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;10µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V (USB 5V input)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIDE Support\u003c\/td\u003e\n\u003ctd\u003eArduino IDE, MicroPython, ESP-IDF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eESP32 vs ESP8266 — Why Upgrade?\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eFeature\u003c\/th\u003e\n\u003cth\u003eESP32\u003c\/th\u003e\n\u003cth\u003eESP8266\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPU Cores\u003c\/td\u003e\n\u003ctd\u003e2 (dual-core)\u003c\/td\u003e\n\u003ctd\u003e1 (single-core)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPU Speed\u003c\/td\u003e\n\u003ctd\u003e240MHz\u003c\/td\u003e\n\u003ctd\u003e80–160MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBluetooth\u003c\/td\u003e\n\u003ctd\u003eBT 4.2 + BLE ✅\u003c\/td\u003e\n\u003ctd\u003eNone ❌\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPIO Pins\u003c\/td\u003e\n\u003ctd\u003e34\u003c\/td\u003e\n\u003ctd\u003e17\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eADC Channels\u003c\/td\u003e\n\u003ctd\u003e18 (12-bit)\u003c\/td\u003e\n\u003ctd\u003e1 (10-bit)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDAC\u003c\/td\u003e\n\u003ctd\u003e2× 8-bit ✅\u003c\/td\u003e\n\u003ctd\u003eNone ❌\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTouch Sensors\u003c\/td\u003e\n\u003ctd\u003e10 ✅\u003c\/td\u003e\n\u003ctd\u003eNone ❌\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDeep Sleep\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;10µA\u003c\/td\u003e\n\u003ctd\u003e~20µA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose This ESP32 Board?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual-core 240MHz\u003c\/strong\u003e — run WiFi stack on Core 0, application on Core 1 simultaneously\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiFi + BT + BLE\u003c\/strong\u003e — three wireless protocols in one chip\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e34 GPIO\u003c\/strong\u003e — more I\/O than any comparable board at this price point\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e12-bit ADC ×18\u003c\/strong\u003e — high-resolution analog sensing for sensors and audio\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-low deep sleep\u003c\/strong\u003e — \u0026lt;10µA enables months of battery life in sleep-wake IoT designs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino IDE compatible\u003c\/strong\u003e — use familiar C++ libraries and sketches\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHome automation\u003c\/strong\u003e — MQTT client for Home Assistant, Node-RED, and OpenHAB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBLE sensor beacon\u003c\/strong\u003e — broadcast temperature, humidity, and environmental data\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery-powered IoT\u003c\/strong\u003e — deep sleep wake-on-timer or wake-on-touch for years of battery life\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiFi + BLE dual-mode\u003c\/strong\u003e — provision via BLE, operate via WiFi\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustrial IoT gateway\u003c\/strong\u003e — Modbus RTU over UART, publish to MQTT broker\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoice assistant integration\u003c\/strong\u003e — I²S audio input\/output for smart speaker projects\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: Is this board compatible with Arduino IDE?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Install the ESP32 board package in Arduino IDE (Espressif Systems) and use standard Arduino sketches with ESP32-specific libraries.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can ESP32 run WiFi and Bluetooth simultaneously?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The dual-core architecture allows WiFi and Bluetooth to run concurrently without significant performance impact.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the maximum GPIO current?\u003c\/strong\u003e\u003cbr\u003eA: Each GPIO pin can source\/sink up to 40mA. Total chip current should not exceed 1200mA.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× ESP32 Development Board (38-pin DevKit)\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"Default Title","offer_id":46991473475819,"sku":"\u003cnone\u003e","price":17.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/esp32-development-board-wifi-bluetooth-dual-core.webp?v=1761631553","url":"https:\/\/keszoox.com\/products\/esp32-development-board-dual-core-240mhz-wifi-bluetooth-ultra-low-power","provider":"Keszoox","version":"1.0","type":"link"}