>So does such an item exist? Check out some of the quadrature rotation setting controls. I am sure some of these allow push operation of a switch for exactly the sort of use you are wanting. It may mean you need to do some extra programming/electronics to achieve the rotation to value control you want. -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body