On Fri, 1 Nov 2002, Chris Loiacono wrote: > And why ever would you want to avoid optical isolation in this application, > unless you don't want it to last forever? Optoisolators in electronics are like "gotos" in C, that's why. Generally avoidable if you know the right way to do it. -Bob -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body