Wemos D1 Mini V2 ESP8266 ESP 8266 Wifi Wireless Internet Arduino IoT
Fitur : ====== - 11 digital input/output pins, all pins have interrupt/pwm/I2C/one-wire supported(except D0) - 1 analog input(3.2V max input) - a Micro USB connection - Compatible with Arduino - Compatible with nodemcu - lots of shields