ACROBOTIC ESP8266 ESP-12E Serial to Wi-Fi Module IOT Arduino NodeMCU ESP8266 ESP-12E Serial to Wi-Fi module ready for Arduino, MicroPython, Espruino, NodeMCU, AT+Commands 16 Digital, 1 Analog GPIO; PWM, ADC, I2C and 1-Wire available Access to all ESP8266 pins (17GPIO, CH_PD, ADC, Power, Ground, and Reset) 3.3V input power; typically used for soldering onto a PCB (castellated pins) Documentation, tutorials, demos: https://youtube.com/acrobotic