Small board able of hosting the ESP8266 Wi-Fi module (not included). It has a 2-way terminal for power input; 4-way terminal with + 5V, ground and the lines IO0 and IO2 (two GPIOs of the U2 module) carrying the data; connector (CN1) with the same signals as the ESP8266 module (TX and RX of the UART, reset and more will then be available) together with GND and + 5V. Power supply: 5 VDC.

Important! The board is in kit format and also includes SMD components.

Attention! The ESP8266 module is not included.