best way to just get pitch data from arduimu

i would just like to send only pitch angle data from arduimu to another arduino

my understanding of code is poor

i would like to know which of the following pieces of code i need to load onto the imu board to achieve this task?

which piece of code do i need to modify to send only pitch data?

	Size	Rev	Date	Author
ADC.pde	2.3 KB	r46	Mar 05, 2010	deweibel
Compass.pde	2.0 KB	r40	Feb 18, 2010	jjulio1234
DCM.pde	9.5 KB	r48	Mar 21, 2010	deweibel
GPS_EM406.pde	5.8 KB	r49	Mar 24, 2010	deweibel
GPS_NMEA.pde	9.8 KB	r128	May 16, 2010	deweibel
GPS_UBLOX.pde	8.7 KB	r128	May 16, 2010	deweibel
Output.pde	8.8 KB	r132	Jun 03, 2010	deweibel
Vector.pde	806 bytes	r1	Nov 14, 2009	j07rdi
arduimu.pde	19.0 KB	r132	Jun 03, 2010	deweibel
matrix.pde	513 bytes	r1	Nov 14, 2009	j07rdi
press_alt.pde	6.0 KB	r53	Apr 23, 2010	deweibel
timing.pde

Developer

Doug Weibel June 13, 2010 at 6:39pm

If you are truly only interested in pitch AND the IMU will always have it's X axis aligned with its motion (this is the general assumption in the DCM code and why it works for airplanes but not for helicopters) then no, you do not need the gps to get good pitch information.

If you are trying to reduce the size of the code you can delete the gps files, the pressure altitude file and the compass file. However, you may need to patch the code a bit to compile with these files absent.
Daniel Wee June 12, 2010 at 7:44am

Get the ArduIMU+ V2. Load up arduimu.pde and the rest of the files will load automatically. The GPS while not absolutely necessary, supposedly helps with centripetal force corrections in dynamic situations. It all depends on the type of application you have in mind. If you have a static application - you can save a lot of trouble by just using a tri-axis accelerometer.

Daniel
james a June 11, 2010 at 8:22am

additional questions

is the gps required for the DCM to work if i only want pitch attitude?

which ardu-imu would be best suited to my need?

This reply was deleted.

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