> > Does anyone know of a method for around $10. I'm thinking that I could
> > use a magnetic rotation sensing IC but I'd be interested in anyone else=
's
> > experiences.

If you get to the point of adding your own sensor, try one from this list .=
...

http://www.ams.com/eng/Products/Magnetic-Position-Sensors/Rotary-Magnetic-P=
osition-Sensors

I am currently looking at the AS5115 with sine & cosine outputs as a sensor=
 on a tension arm for a design that is in the 'thinking' stage.

--=20
http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist
.