Re: [Paparazzi-devel] Airspeed sensor

[Andrew S]

For self made sensor you can take MPX 5010.
Formula P1-P2=(rv^2) /2 
P1 and P2 - pressures, v - airspped, r - athmospheric density 

06.09.09, 15:06, "Electro-Technik" <address@hidden>:

> Hi,
> There is an airspeed sensor kit available for the Ardu-Pilot, see
> http://store.diydrones.com/ProductDetails.asp?ProductCode=KT-0001-01
> which could possibly serve as a prototype or test bed.
> I hope this is of some help.
> Regards
> Alan K.
> -----Original Message-----
> From: address@hidden
> [mailto:address@hidden On Behalf Of
> Famille Chateauvieux-Hellwig
> Sent: 06 September 2009 10:46
> To: address@hidden
> Subject: [Paparazzi-devel] Airspeed sensor
> Hi all,
> I've seen recently a number of thread on the list questioning for an
> airspeed 
> sensor.
> I built such a sensor recently. It didn't fly yet but I believe it works
> fine as 
> 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 (http://www.sm-
> modellbau.de/shop/product_info.php?products_id=80&cPath=11) 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?
> Martial
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