Recent content by cvschalk

  1. C

    Geyserwise: Wire protocol between display panel and control box

    I've decoded the 1 wire signal. Its essentially just duty cycle encoded (short 400us pulse = 0, 800-1400us pulse = 1). 32bits transmitted at a time. LSB first. Temperature packets are 0x1800ZZ00, where ZZ = (temperature in degrees + 15). Another packet has two bits to indicate heater...
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