I confirm that I need a compass…
However my 2 serial ports are used. serial1 with mavlink MFT-01, and serial 4 with displayport for the OSD on HDzero vtx…
I’ll try to integrate it on serial 1, with mft-01. If you already faced that kind of problem, I’m interrested in solutions.
Still no solution for making all this work together without a compass, and no I2C ports on that board.
I asked to Betafpv if it’s possible to bend the led and/or sbus port to I2C, but I’m not very confident about it.
I found a compass that works on serial port: