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Elektor magazine has a project that might interest some rocket builders:
http://www.elektor.com/magazines/2011/april/altimeter-for-micro-rockets.1738954.lynkx?tab=3
Uses the MPXH6115A6U pressure sensor from Freescale, haven't heard of them before, but I don't build a lot of altimeters.
Its probably not worth buying the magazine just for this, its only 5 sides and that includes pics. A nice project, but like a lot of modern stuff, its mostly software.
It dosen't record absolute pressure, just the differential from launch. Might try it with my catapult.
N.
http://www.elektor.com/magazines/2011/april/altimeter-for-micro-rockets.1738954.lynkx?tab=3
Uses the MPXH6115A6U pressure sensor from Freescale, haven't heard of them before, but I don't build a lot of altimeters.
Its probably not worth buying the magazine just for this, its only 5 sides and that includes pics. A nice project, but like a lot of modern stuff, its mostly software.
It dosen't record absolute pressure, just the differential from launch. Might try it with my catapult.
N.