Well, the good people on NEONIXIE-L knew of the pressure sensors I was looking for, so now I've found a choice from the cheap (about $20) to the not so cheap ($200). The latter sensor is very clearly for measuring atmospheric pressure. The cheap ones do from about 150mb to about 1100mb, so the resolution in the area of interest (approximately 900 to 1050mb) is pretty poor, but reading the datasheets for them, it looks like the minimum voltage step is good enough for 1mb resolution (although f
Arithmetic is being able to count up to twenty without taking off your shoes. -- Mickey Mouse