I've spent most of the day trying to figure out why the height calculation isn't working. I didn't know this until I finally checked what pressure in millibars should have been for my particular altitude 1015 mb, but it was 560 mb. Maybe it was just a bad block, or maybe I damaged it trying to solder the microscopic vias (which is why I didn't give it a star). In any case, I will get a higher quality altimeter instead of another one.
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