And why ever would you want to avoid optical isolation in this application, unless you don't want it to last forever? > I have seen > one example on diy-efi using optocouplers, there has to be another way > though. > Daren > -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body