Well , I just pulled my MS mouse apart - I'm sure I could use the= wheel and innards as a liquid flow sensor; anyhow what happens to= be the brains none other than a lowly PIC16C58A running at 8MHZ -- cdb, cdb@barnard.name on 31/03/2002 -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body