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[Paparazzi-devel] Airspeed sensor

From: Famille Chateauvieux-Hellwig
Subject: [Paparazzi-devel] Airspeed sensor
Date: Sun, 6 Sep 2009 11:46:01 +0200
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Hi all,

I've seen recently a number of thread on the list questioning for an airspeed 
I built such a sensor recently. It didn't fly yet but I believe it works fine 
I get quite stable measurement of my hair dryer !
I could publish this if any body is interested. The construction is basically 
a Pitot tube from sm modellbau in germany ( which is connected 
to an freescale differential pressure sensor. The pressure sensor signal is 
adjusted for the required speed range with a operational amplifier of which the 
output is fed into an AVRmega 10 bit ADC.
I can publish an eagle schematic, and a piece of AVR GCC C code. Probably I 
can find again the OpAmp calculation.
Anybody interested?


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