Info for accessing G-Force/Airspeed/Altitude sensors with your microcontroller
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Mar 10, 2010
, 05:35 PM
Joined Nov 2003
The resolution of the sensor is +/- 4feet, so it's not ideal for measuring small changes in altitude. Further, after power-up, some drift can occur, though the sensor is thermally compensated. I would supect that, after a stabilization period of a minute or two, you would be able to detect differences on the range you're describing.