My APM will not boot (AB and C lights flashing) unless I physically rotate my board. If I do this for a few seconds, it normally boots. It occurs whether it is powered by Lipo or USB. I soldered my own board. I can't figure out if I have a grounding problem, I gyro problem, or something else completely. I am running Beta 2.0.45. Any thoughts would be greatly appreciated.
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Hi Bill,
Does the red board have problems booting too, or is it just the blue board that boots inconsistently? Have you checked your soldering carefully to make sure that there are no solder jumps and that there is plenty of solder on each of the pins?