----- Original Message -----
From: "Madhu Annapragada" <mapr@COMCAST.NET>


| That is exactly what they are ...encoders.You use a decoder to count up
and
| down. You can get any encoder with a built in shaft and you are in
business.
| Some of the  easy to use rotary encoder are the Grayhill Series 61 and
| series 62 Optical rotary encoders.
| Madhu

Pull an encoder out of a mouse?
I hear Jan-Erik has a couple :O)

- Robert

--
http://www.piclist.com#nomail Going offline? Don't AutoReply us!
email listserv@mitvma.mit.edu with SET PICList DIGEST in the body