Arduino 2 Channel Infra Red Remote Controller using 2 relay

The project published here allows turning ON and OFF lights fans using infra red remote , Two channel infra remote controller requires 2 channel relay board, Arduino UNO, TSOP1738/TSOP1838 IR sensor, IR remote. Circuit required 12 DC supply.  The relay board schematic link provided bellow.


  1. Arduino Digital Pin D7 Connected to TSOP1738 IR Sensor
  2. Arduino Digital Pin D2 Connected to  Relay-1 Trigger  Pin
  3. Arduino Digital Pin D3 Connected to Relay-2 Trigger Pin

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