|Subject:||[Paparazzi-devel] Interfacing to the EagleTree airspeed sensor|
|Date:||Sun, 6 Sep 2009 09:59:04 -0400|
All,I had a successful flight with the EagleTree airspeed module ( http://www.eagletreesystems.com/Support/manuals/airspeed-v3.pdf ) connected to my TWOG. I did not have to do any hardware modifications, the sensor has an I2C interface that I connected directly to the TWOG I2C port. I was able to figure out the slave address and decode the raw output of the sensor. The results are quite good, the module is low cost ($43) and comes with a very good pitot tube that includes static and dynamic ports. For now I am simply sending the airspeed through the telemetry, the next step would be to modify the autopilot code to regulate the throttle in order to keep the airspeed constant (and a minimum ground speed). I will do the same with the altimeter sensor.
See http://vrhome.net/vassilis for more information, I will publish the code as soon as I have the altimeter tested (probably in a week or so). Is there any interest on getting this released code released into CVS?
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