{"product_id":"nodemcu-esp32s-esp-wroom-32e-wifi-bluetooth-36gpio-arduino","title":"NodeMCU ESP-32S \/ ESP-WROOM-32E WiFi Bluetooth Development Board — 36 GPIO, Arduino IDE","description":"\u003ch2\u003eNodeMCU ESP-32S \/ ESP-WROOM-32E — WiFi + Bluetooth Development Board\u003c\/h2\u003e\u003cp\u003eThe \u003cstrong\u003eNodeMCU ESP-32S\u003c\/strong\u003e based on the \u003cstrong\u003eESP-WROOM-32E\u003c\/strong\u003e module is a powerful dual-core IoT development board featuring integrated \u003cstrong\u003e2.4GHz WiFi (802.11 b\/g\/n)\u003c\/strong\u003e and \u003cstrong\u003eBluetooth 4.2 \/ BLE\u003c\/strong\u003e. With \u003cstrong\u003e36 GPIO pins\u003c\/strong\u003e, dual-core 240MHz Xtensa LX6 processor, and full Arduino IDE support, it's the go-to platform for IoT, home automation, and wireless sensor projects.\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\u003eModule\u003c\/td\u003e\n\u003ctd\u003eESP-WROOM-32E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCPU\u003c\/td\u003e\n\u003ctd\u003eDual-core Xtensa LX6, 240MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlash Memory\u003c\/td\u003e\n\u003ctd\u003e4MB SPI Flash\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\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\u003eBT 4.2 + BLE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGPIO Pins\u003c\/td\u003e\n\u003ctd\u003e36 (including ADC, DAC, touch)\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\u003e8-bit, 2 channels\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInterfaces\u003c\/td\u003e\n\u003ctd\u003eI²C, SPI, UART, I²S, PWM, CAN\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUSB-to-Serial\u003c\/td\u003e\n\u003ctd\u003eCP2102 or CH340 (variant dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V (5V tolerant via USB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003chr\u003e\u003ch3\u003eWhy Choose NodeMCU ESP-32S?\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003eDual-core 240MHz\u003c\/strong\u003e — run WiFi stack on Core 0, application on Core 1 simultaneously\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eWiFi + BLE in one chip\u003c\/strong\u003e — no external modules needed\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003e36 GPIO\u003c\/strong\u003e — more I\/O than ESP8266, supports capacitive touch sensing\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eArduino IDE compatible\u003c\/strong\u003e — install ESP32 board package and start coding immediately\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMicroPython \/ CircuitPython\u003c\/strong\u003e — supports Python-based firmware for rapid prototyping\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eCompatible With \/ Works With\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eArduino IDE\u003c\/strong\u003e (ESP32 board package by Espressif)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicroPython\u003c\/strong\u003e \/ \u003cstrong\u003eCircuitPython\u003c\/strong\u003e firmware\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlatformIO\u003c\/strong\u003e (VS Code extension)\u003c\/li\u003e\n\u003cli\u003eSensors: DHT22, BME280, MPU-6050, DS18B20 (3.3V)\u003c\/li\u003e\n\u003cli\u003eDisplays: SSD1306 OLED (I²C), ILI9341 TFT (SPI)\u003c\/li\u003e\n\u003cli\u003eModules: SIM800L GSM, LoRa SX1278, NRF24L01\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eTypical Applications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIoT Sensor Node\u003c\/strong\u003e — BME280 + ESP32 + MQTT to Home Assistant \/ Node-RED\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHome Automation\u003c\/strong\u003e — WiFi relay controller, smart switch with ESPHome\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBLE Beacon\u003c\/strong\u003e — iBeacon \/ Eddystone for indoor positioning\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeb Server\u003c\/strong\u003e — ESP32 AsyncWebServer for local dashboard\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOTA Updates\u003c\/strong\u003e — over-the-air firmware updates via WiFi\u003c\/li\u003e\n\u003c\/ul\u003e\u003chr\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the difference between ESP-WROOM-32 and ESP-WROOM-32E?\u003c\/strong\u003e\u003cbr\u003eA: ESP-WROOM-32E is the updated version with improved RF performance and a revised PCB antenna design. Electrically and software-compatible with the original ESP-WROOM-32.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: Can ESP32 run at 3.3V and 5V?\u003c\/strong\u003e\u003cbr\u003eA: The ESP32 chip operates at 3.3V. The NodeMCU board has an onboard 3.3V LDO regulator, so you can power it via the 5V USB port or the 5V VIN pin. GPIO pins are 3.3V logic — do not apply 5V directly to GPIO.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: How do I install ESP32 in Arduino IDE?\u003c\/strong\u003e\u003cbr\u003eA: Go to File → Preferences → Additional Board Manager URLs, add: \u003ccode\u003ehttps:\/\/raw.githubusercontent.com\/espressif\/arduino-esp32\/gh-pages\/package_esp32_index.json\u003c\/code\u003e. Then install \"esp32 by Espressif Systems\" from Board Manager.\u003c\/p\u003e\u003chr\u003e\u003ch3\u003ePackage Contents\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1× NodeMCU ESP-32S \/ ESP-WROOM-32E WiFi Bluetooth Development Board\u003c\/li\u003e\u003c\/ul\u003e","brand":"Keszoox","offers":[{"title":"ESP-WROOM-32UE","offer_id":46991478292715,"sku":"14:351074#ESP-WROOM-32UE","price":18.6,"currency_code":"USD","in_stock":true},{"title":"ESP-WROVER-E","offer_id":46991478325483,"sku":"14:4044226#ESP-WROVER-E","price":25.08,"currency_code":"USD","in_stock":true},{"title":"ESP-WROOM-32E","offer_id":46991478358251,"sku":"14:350852#ESP-WROOM-32E","price":18.6,"currency_code":"USD","in_stock":true},{"title":"NodeMCU backplane","offer_id":46991478391019,"sku":"14:10#NodeMCU backplane","price":8.88,"currency_code":"USD","in_stock":true},{"title":"ESP-WROVER-IE","offer_id":46991478423787,"sku":"14:201659813#ESP-WROVER-IE","price":26.32,"currency_code":"USD","in_stock":true},{"title":"ESP-32S","offer_id":46991478456555,"sku":"14:1202#ESP-32S","price":18.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0677\/1005\/8731\/files\/nodemcu-esp-32s-esp-wroom-32e-wifi-bluetooth-development-board.webp?v=1761628552","url":"https:\/\/keszoox.com\/products\/nodemcu-esp32s-esp-wroom-32e-wifi-bluetooth-36gpio-arduino","provider":"Keszoox","version":"1.0","type":"link"}