Hello, I'm using an Arduino Pro Mini to communicate with a PCF 8574AP. But I can not communicate. some can help me? Code: #include <Wire.h> #define PCF 0x70 void setup() { Wire.begin(); // join i2c bus (address optional for master) } void loop() { Wire.beginTransmission(0x70); // trans…

Help communication I2C PCF

system December 17, 2012, 2:29pm 4

Ok, thanks, I think the problem is solved.

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