Reply To: I2C communication PCF8574AP

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#4880
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Bartłomiej Drozd
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ok, i did that:
LcdConsole.WriteLine(BitConverter.ToString(pcf.ReadReg(2, 1)));
and i got “03″ on lcd when i connect P0 to + and “02″ when i connect P0 to -. So, register is just a number of port to read/write?

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