Remote controlled switch for home appliance.
Remote control lamp circuit diagram.
A simple ir led with 38 khz pulse can be used as a remote control.
We have used ic 4017 to convert it into a push on push off switch.
The negative and positive pulses are given to the trigger and threshold pins of 555 through the light activated phototransistors t1 and t2.
You can on or off any appliance by this circuit ie fan light etc this is works upto 5 10 m lenght from remote.
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A 4 channel relay module is used in this project in order to control the light.
A single channel relay board is sufficient.
Similarly the emitter of t2 is connected to the threshold pin 6.
Tsop1738 is used in the circuit for sensing the infrared signal output from remote.
Alternatively the relay circuit can be built as per the circuit diagram.
Schematic of the light remote control circuit.
T1 t2 l14f1 2n5777.
Circuit design of remote controlled light switch.
The collector of t2 is connected to the trigger pin 2 through diode d1.
The circuit works by pressing any key on the remote it can also operated manually by pressing switch s1 to on state.
Receiver circuit is connected to ac appliance via relay so that we can control the light remotely.