"waltervl: Did you switch off I2C-2 on the A9 side as instructed on this documentation page?" Yes, I did that at the beginning of my I2C journey....
I'm still stuck. [IMG] [IMG] Follow this Link for photos of how things should go (Adafruit Feather as Master) and the dud output of the Udoo...
I got two Nanos working with these master/slave sketches. Bytes are flying between them via I2C. No such luck with the Udoo Neo Full M4 I'm trying...
Separate names with a comma.
