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For testing just the imu (inertial sensors) it is useful to run this script. If an autopilot is not needed, and only calibrated compass, this script can be used as well. openplotter uses it for “imu only” mode.
pi@openplotter:~ $ pypilot_boatimu Settings file not found. Using defaults and creating settings file Using settings file RTIMULib.ini Detected MPU9250/MPU9255 at standard address Using fusion algorithm Kalman STATE4 IMU Name: MPU-925x min/max compass calibration not in use Using ellipsoid compass calibration Using accel calibration MPU-925x init complete
The pitch, roll and heading are now output to the console, and pypilot_calibration can be used.