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

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Infra-Red Switch

5

Single Channel Switch : Receiver

This circuit uses a ready-made I.R. receiver module. These modules are very sensitive and this simplifies the construction. The modules need a stable power supply so the 7805 voltage regulator is necessary. The op-amp is a TL081.

Vero diagram

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Single Channel Switch

Transmitter

Two Channel Switch

Transmitter
Receiver

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