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Re: [Paparazzi-devel] re: aspirin IMU

From: Christophe De Wagter
Subject: Re: [Paparazzi-devel] re: aspirin IMU
Date: Wed, 2 Mar 2011 08:55:07 +0100

It was on the news last week that there was massive solar  explosions going on that are expected to interfere with Nav equipment. Enable SBAS if you can.


On Wed, Mar 2, 2011 at 8:25 AM, GARCIA ALVAREZ, ANA <address@hidden> wrote:

As well as David, I was thinking about purchasing an Aspirin for my tiny/twog. Good to know that there is not driver yet(and unfortunately my programming skills are not good enough to think about writing the driver on my own).


What about the arduimu? I think it has a micro inside and is not the same concept as the razor imu(which sends directly the analog info to the autopilot adcs). Is the arduimu easy to have ready to fly? What about the calibration process? Anything more than modifications in the firmware section of the airframe file needed?


Felix, I’m still not flying with the razor imu. I have compiled a branch which runs on tiny 1.3(I’ll try with the other one which runs with twog-the last time I tried it I got some compiling errors), and I see an strange behavior in the PFD(when I roll the airplane, the PFD shows the right angle, but then, if I move the airplane horizontally back(0 roll angle), in the PFD it is moving slowly, and it takes some time until it is reoriented). And using the razor imu with the main branch software has been until now impossible(now again, my skills are limited).


One thing more, these days we have experienced bad GPS accuracy here in Madrid(midday, February, Tuesday 24th), do you know if there is any GPS problem? I read something about US GPS accuracy limits due to Army tests…are they still going on?



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