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Infrared Remote Control
The
transmitter circuit includes IR LED, 2N2222 NPN Silicon Transistor
, 2N2907 PNP Silicon Transistor.When the switch S1 presses
LED emits IR light.
The receiver part mainly consists of LM308 Op Amp IC
, LM567 Tone Decoder, and NPN Phototransistor and a relay.
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