Joe and Pam wrote: > Andreas Magnusson wrote: > > Hey! > > I have used David Taits topic programmer for a while. It works well for my > > purposes. But for a few weaks ago I lend it out and now it doesent work > > anymore... :-( > > [...] > To me, it looks as if nothing got programmed when it was burned in or you've > got an open read line. > [...] You could also check out if the programming voltage (12-14 V) is applied to the MCLR pin during programming; I think you'll get these result if not . Stefan Sayer