The ESP8266 eight-way relay development board is equipped with an ESP-12F WiFi module and supports DC7-28V/5V power supply. Provide for Arduino development environment reference code, suitable for ESP8266 secondary development learning, smart home wireless control and other occasions.

Features: 

1. On-board mature and stable ESP-12F WiFi module, large capacity 4M Byte Flash;
2. The power supply mode supports DC7-28V/5V
3. Onboard WiFi module RST reset button
4. ESP-12F supports the use of Eclipse/Arduino IDE and other development tools, and provides reference programs under the Arduino development environment;
5. There are 8 5V relays on board, outputting switch signals, suitable for controlling loads whose working voltage is within AC 250V/DC30V;
6. Onboard power indicator and relay indicator.