I'm confused as to why the I2C clock from the UNO stops after some repetitions when the SCL line is connected to a device. I'm using the following program: #include <Wire.h> //I2C-OSC Freqency setter //I2C: A4 (SDA), A5 (SCL) const byte I2C_Write =(0x2E >>1);// I2C write address =0x17 const by…

UNO I2C clock stops unexpectedly.

CrossRoads January 17, 2013, 5:27pm 2

I2C devices have to reply with an ACK bit as part of the tranfer. Is the device responding?

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