2.3.2 Magnetic Field Calibration
Step 1. Click the "Calibration" menu
Step 2. Click the "Magnetic calibration" button
Step 3. Slowly rotate the module 360° around X, Y, Z, 3-axis accordingly
Step 4. After rotation, click “Finish”
Check the result: The Z-axis angle will have less drift than before.
Notice: If there is drift of Z-axis, please stay away from the objective that can
create magnetic field interference.