Infa-red Remote Control


Posted on Feb 5, 2014

I have received a number of emails requesting schematics for infa-red remotes. So here is one. This remote transmits a tone using an infa-red LED. This tone is decoded by the receiver. Since the receiver only switches when it `hears` the tone, there are no accidental activations.


Infa-red Remote Control
Click here to download the full size of the above Circuit.




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