lingib shared this project on Instructables
This instructable explains how to build, and calibrate, a tilt-stabilized compass using an Arduino UNO R3 and an MPU-9250 accelerometer | gyro | magnetometer.
The following options are available for displaying the compass heading | pitch | roll:
- Serial Monitor
- LCD display
- A graphics “compass rose” on your PC screen
Calibration is simple … three methods are provided:
- Tumble the compass every time at switch-on
- Tumble the compass once and save the results
- Use my “compass_cal” software and save the results
A compass-heading of +/- 2 degrees is possible using my “compass_cal” software.
The estimated cost for this project is $20 USD.
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