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« Beauty in eye of the beep holder | Main | Mad clockman or truly original Gadget Freak? »

How to build an infra-red remote control

The infra-red remote control transmits a tone using an infra-red LED. This tone is decoded by the receiver.

Since the receiver only switches when it “hears” the tone, there are no accidental activations.

Link includes parts list and circuit schematic.

remote1.JPG

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Posted by Robert Kotevski on October 16, 2007 9:20 AM | |

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