Arduino UNO R3 ESP8266, Руководство пользователя, Страница: 3 / 10

3
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.