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Components of the IR receiver system?

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Papabravo

Papabravo

Joined Feb 24, 2006
22,082
The IR receiver looks for the presence or absence of a carrier frequency like say 38 kHz. for example. The transmitter starts each bit with a burst of carrier on for say 565 microseconds. For a '1' it then goes silent for another 560 microseconds for a total of 1.125 milliseconds. For a '0' the silence lasts for 1.685 milliseconds so the total is 2.25 milliseconds.

A '1' is 1.125 milliseconds long and
A '0' is 2.25 milliseconds long
 
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