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How to get I2C working on Ardbox (20 IO relay)

Erik Olson

on 3/18/20, 3:58 PM • 318 views

Hi,

Has anyone had any luck getting the I2C bus working on the Ardbox Relay HF+? I have tried multiple I2C devices without any success.

I have been able to successfully program the device and get the other IOs to all wiggle. The DIP switches are set correctly, but no joy. I guess I will need to buy and logic analyzer to see if the bus is active at all.