• ESP8266-01 (ESP-01) single relay and DHT controller board. 2 versions of board are available for either Mini and Micro USB connectors for powering it up. Optional header connector is available for supplying 5V into the board.
  To help in programming the board please use our ESP-01 programmer foe easy interface
  
  Update Version 4 adds opto coupler to galvanicaly isolate controller from driver transistor.
  
  
  Features

       Mini or Micro USB power connector
       5V header power connector
       Rx / Tx header connector
       DHT sensor
       3 pin screw terminal for relay contacts
       3v3 voltage regulator
      

  Documents

      Schematic
      PCB laybout on EasyEDA
      Firmware code
      Flash tool
      Android app
    
    

   

  
  The boards are available for purchase on our Tindie store.