"I don't have 2 compass modules, one compass is on pixhawk itself and the external one is connected to i2c port. I'm pretty sure arducopter 3.2.1 supports 3 compasses as I can see parameters for 3 compasses"
Hello,I'm having troubles getting the compass to calibrate properly and keep getting "Prearm: Compass not calibrated" error.I have a Pixhawk with arducopter 3.2.1 and I use this gy-271 external…