signal_line
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- Nov 14, 2011
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Grove barometer has altitude accuracy down to one cm! About $12, but you need an Arduino—counterfeit for about $5.Somewhere I saw an high accuracy barometer break out board for an Arduino. Don’t know if it would be sensitive enough. Same for the sailplane by variometer—may need a large barrel to be able to see the air escaping. I’ll look for that barometer and post a link.