Hey all
I looked everywhere for a simple barometer that gives me atmospheric pressure and trend. Couldn't find what I wanted, so I built one.
Here's the manual (yes I always write a manual):
redled-barometer-box-small.pdf (323.9 KB)
I have no idea how Github works, so I no doubt screwed up completely, but at least if anyone is interested they can get the code from there:
Cheers,
Michael
Looks good! Thanks for posting.
Nice project. My first barometer was breadboard ATmega328P-PU @ 8MHz and 3.3V using an old Nokia Monochrome LCD.
Your project looks far more professional. 
Ray
Later evolution using a Maple Mini STM32F103:
I have since found that 48 hours is a good recording time.
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