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A decoder is an electronic signal processing circuit, which takes as an input a binary number, and turns on a corresponding pin accordingly. It takes `n` inputs (which can all be either on or off) and outputs `2^n` outputs of which exactly one is on

5 votes

How has this Daikin control signal been encoded?

As Marko answered, it is the Daikin proprietary P1P2 protocol. At the lowest level it is a 9600 Baud serial-like interface based on the Japanese Home Bus System (HBS, ET-2101). Technical details of th …
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