- Based on ESP8266 Wifi IC, ESP-12F module.
- This is the extended version of esp relay board. Flashed also the same firmware and use the same case.
- Dual SPST Mechanical Relay (10A 30VDC, 250VAC)
- Board supply power DC voltage power 5-24V. Board DC buck circuit based on MP1584.
- Relay Drive power can be same as DC board power or independent DC or AC power supply.
- Board extension function includes DHT sensor, IOs pins, wireless socket. On board reset (en) and flash io0 button.