Hello All, I am trying to initiate a communication link between 2 Arduinos "Mega and Uno", over about 100 meters of Cat6 cable. After reading various topics on long I2C bus, I used 2 x P82B96 powered by 12V and I'm using this configuration : SCL,GND (Orange, Orange-White) - SDA,GND (Green, Green-Wh…

I2C Long Distance

mcnobby May 19, 2016, 12:20pm 3

You could try an I2C accelerator chip, and reduce the bit rate down to very slow

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