3V3:3.3V Power Output
G:GND
EN:ESP8266 EN
AD:ESP8266 AD
G:GND
3V3:3.3V Power Output
D:lead ESP8266 GPIO(GPIO 0/2/4/5/12/13/14/15/16)
Buttons for burning the firmware
Finally, click on flash to enter the programming wait mode, and at this moment keep pressing the
RST button of firmware pass-through board, then press down the KEY key and release it. Waiting
for a moment, you can find that the programming progress bar starts to roll.
2. Product Features
1) WiFi adopts industrial chip ESP8266. ESP-13 module with a metal shield has strong
anti-interference ability.
2) Standard compatible with pin of Arduino Uno, Mega2560 and other control board.