Reply To: I2C communication PCF8574AP

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#4878
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Bartłomiej Drozd
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in datasheet for PCF8574A address is
0 1 1 1 A2 A1 A0 0
and my A2, A1, A0 is 0, so b01110000 = 0×70. i should read bytes, but i need only write bits… i don’t understand too much…

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