Hi, I am new to PIC'ing, being an old (very old!) analogue man. Why cannot you, even if only as a "get out" use D/A, analogue, A/D? I realise it may go against the grain as a PICer, but if it would work, what the heck! Regards Ivan -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body