> I'm interested in a device that can be used to count revolutions of a
slow
> turning shaft, 10 turns/minute,  with 1 or 2 degree resolution.  I will
then
> use a Pic to read and limit the number of turns and fractional parts of
a
> turn.  Good resolution is important. Any ideas appreciated.

Search for "shaft encoders".


*****************************************************************
Embed Inc, embedded system specialists in Littleton Massachusetts
(978) 742-9014, http://www.embedinc.com

--
http://www.piclist.com hint: The PICList is archived three different
ways.  See http://www.piclist.com/#archives for details.