Quote:
Originally Posted by McTimson
Make sure the voltage regulator is hooked up properly. I had a similar problem, and it turned out to be the voltage regulator wired up backwards. When hooked up to the 5V from the USB, it worked fine, but 12V from the car messed with the voltage too much.
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You are a genius. I broke the 7805 off, glued it in place (just to make sure, since it wasn't through the board anymore), re-soldered it, and it works like a charm!
Thanks a lot, bud. Now to log some miles to calibrate!