> I see +/- 10% , so no serial communication :-(, > thanks for the tip. > cheers, > Stef Not without special tricks, for instance watching an incomming character and deducing the correct settings from it. Or like I did for Eur: convert asynch to a pulse-width coding, which is much less timing-critical. But that was a good idea only because he uses one PC and many many PICs. 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