> The polarity of the caps on the other hand is a joke. They > should *always* > be connected so that the positive side gets higher voltage than the > negative. This should go without saying. From the fact that the OP asked about this it should better go *with* saying. Wouter van Ooijen -- ------------------------------------------- Van Ooijen Technische Informatica: www.voti.nl consultancy, development, PICmicro products -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body