The Open Door Web Site : Technology : Electronics : Infra-Red Switch : Transmitter : Two Channel Switch : Receiver

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Infra-Red Switch

5

Two Channel Switch : Receiver

The 567 chips are needed to demodulate the signal sent by the transmitter. The circuit below was originally designed to drive a small d.c. motor (connected to points x and y). Activating one channel drives the motor one way and the other channel drives it the opposite way. However, the outputs of the 567 chips could be used to drive relays if required.

Vero diagram

Single Channel Switch

Transmitter
Receiver

Two Channel Switch

Transmitter

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