• https://www.electrodragon.com/product/wifi-iot-relay-board-based-esp8266/

  • used devices OPM1110-dat - relay-dat


  • Please connect the board to sensor by wires, because the PCB and relays will generate heats!! 1-2 degree higher!!
  • The board has exposed high voltage AC connection, be very carefully on this.
  • Please notice the two relay output terminals are a little conflict with case, second channels need to use soft wires or remove the screw installation bars manually.

Inductive Load

For inductive load (motor-type) alternative:

This is a generate relay board, which may cause restarting when use it drive the inductive loads, please use the following alternative.

Read more about inductive laod here inductive-load-dat