digital compass modules

[Tilman Baumann]

Schmidt András wrote:
> Hi!
> 
> A compass module would be very nice with many applications!
> I have no hardware related experince. Is it possible to integrate a chip 
> like this into the phone? How would you do that?

Bluetooth would be nice. You would need no hardware hacks on the phone 
itself.
Should be pretty easy to hack a bluetooth->serial converter (like 
BlueSMiRF from sparkfun) to the sensor. Maybe with a little 
microcontroller glue in between.
Bluetooth is very simple to code and simple to handle.