On Thu, 22 May 2008 11:57:38 -0600
"Travis Tabbal" <travis@tabbal.net> wrote:

quoted text
> Turn on the GPS and walk. You will get a heading and you can use that
> to draw a compass or orient a map display. That's how all GPS systems
> do it. You can't really know which way the device itself is pointing
> without a magnetic sensor.

You could use the accelerometers instead of a magnetic sensor, you just
need to calibrate it so you know what your starting point is. And that
should be simple, just move say 10 feet in a straight line and you will
have the bearing from the GPS.

-Lasse

_______________________________________________
Openmoko community mailing list
community@lists.openmoko.org
http://lists.openmoko.org/mailman/listinfo/community