Control Fan And Light Using Tv Remote Circuit Diagram. Receiver circuit is connected to ac appliance via relay so that we can control the light remotely. Normally we use remote controls to turn on or off appliances like tv dvd player music.
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We used a simple remote and tsop 1738 ir receiver at the transmitter and receiver side of the circuit. I c cd4017be 12 volt relay tsop 1838 bc547 bc557 1n4148. Whenever the led is on the tsop goes low and when the led is off the tsop is high which means that it is also high when it is idle.
Infrared receiver module tsop1738 is used to receive the infrared signal transmitted by remote control.
The circuit is powered by regulated 9v. The ac mains is stepped down by transformer x1 to deliver a secondary output of 12v 0 12v. We used a simple remote and tsop 1738 ir receiver at the transmitter and receiver side of the circuit. Using this circuit you can change the speed of the fan from your couch or bed.
