Learned a few things, OK more like 8, calibrating the MPU9250 accelerometer and magnetometer package for a new artwork. Was wondering why I was getting spurious compass drift, and remembered that the big speakers in the studio are errm giant magnets. So I built it up on a tripod, took it outside, ran the calib routine and it's tracking perfectly. Just needed that isolation.
Thoroughly recommend this sensor package btw, for any proj needing North and a gyro. Thanks for reading my shameless ad!
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