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May 14, 2021 at 12:17 pm #16714
I have been testing the same setup as ryanrsm above with the same result for compass headings. He performed the calibration away from any magnets/batteries with the same results. I added the 'beforeCal' line you suggested to Ben on the previous page to compass_tutorial03.c and I have attached some of my results as well as my calibration values. Please let me know if you have any suggestions.