2.4GHz WiFi NodeMcu IoT Development board for Arduino and other IOT projects
This module is based on the ESP-8266EX chip, which provides WiFi and Bluetooth connectivity for your IoT projects. Can be used with various other microcontrollers or stand-alone.
Features
11 Digital I/O pins (all pins support interrupt, PWM, I2C, one-wire except D0)
1 Analog input (3.2V Max)
Micro USB connector
Compatible with MicroPython, Arduino, nodemcu or can be used stand-alone