It's a compass when it's held level. It's repeatable to within 1 degree when you hold it level and don't move, in any direction. But it can be off by 90 degrees in an absolute sense. Not accurate at all for finding North. Any ideas? Mistakes in code? It's mounted upside down in my application so I …

HMC5883L compass huge error [SOLVED]

system February 1, 2013, 12:49pm 18

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