"Additionally, if you are using the AK8963 (which is also embedded in some Invensense chips), you might want to switch to a 5883 clone component. I have used this part in my drone for YEARS with no problems. Note it is critical to not have any stray…"
Technical note regarding compass chips (magnetometers); most drones are using magneto-resistive magnetometers like the Honeywell 5883/5983, and not Hall effect sensors. One of the most common Hall sensors, the AK8963, has been…"