imu calibration and magnetic influence

  1. Alien Warrior

    P4 IMU calibration on kitchen bench

    Finally got my P4 from crazyhobbies.com.au and ran the required updates and wanted to calibrate the IMU. I have a spirit level app in my phone so checked the kitchen bench top for level, moving the phone around to ensure no false readings. I was about to start when I remembered I had a...