WIFI ESP8266 Module + NodeMCU V3 Arduino WIFI IoT MicroUSB CH340 for ESP32

WIFI ESP8266 NodeMCU V3 Module Wi-Fi module based on the high-performance ESP8266 chip (compatible with: Arduino, ESP32, Raspberry Pi). The chip includes 10 GPIO pins, a 1-Wire bus, I2C, an analog-to-digital converter, and a built-in PCB antenna. The board features a USB-UART CH340 or FT232 converter for straightforward programming with Arduino IDE or PlatformIO. The module can also be programmed in MicroPython, and firmware can be updated over Wi-Fi without having to connect to a computer every time. Key technical specifications

* Module based on the ESP8266 chip * 10 GPIO - each can operate as PWM, I2C, or 1-Wire * Built-in microUSB connector * USB-UART CH340 or FT232 converter * Built-in PCB antenna * Wi-Fi communication: 2.4 GHz * Flash memory: 4 MB * Pin pitch: 2.54 mm * Connector spacing: 28 mm * Dimensions: 58 x 30 mm

Example applications

* Building automation systems (Domoticz, Home Assistant, Openhab) * Temperature monitoring stations with DS18B20 or BMP280 sensors and OLED displays * Internet of Things (IoT) projects using the ThingSpeak platform * Educational cryptocurrency miners such as DuinoCoin * Network security testing tools such as Deauther

Benefits

* Easy programming thanks to the built-in USB-UART converter * Broad compatibility with popular development environments * Wireless firmware upload capability * Rich set of communication interfaces in a compact footprint * Ready for Smart Home systems and HomeKit (via Homebridge)

First-time setup troubleshooting * Ensure drivers for the CH340 or FT232 chip are installed. * Check that the USB cable used to connect the microcontroller carries data lines. * Verify that ESP8266 libraries are correctly installed in Arduino IDE. The module is new, unused, and factory sealed. A dedicated microcontroller enclosure is also available in our offer.