Be careful when working with 20 mhz circuits on a proto board. Too much capacitance on the fingers may cause the osc not to start. Rick Russ Hensel wrote: > [PIC]: PIC16F871 newbie oscillator issues > > The Situation > > I have a set of questions all of which relate to the general topic of the > oscillator on the PIC16F871. I developed the usual first PIC program, the > blinking led. After several go arounds it worked, the led blinked. Since > . . snipped -- http://www.piclist.com#nomail Going offline? Don't AutoReply us! email listserv@mitvma.mit.edu with SET PICList DIGEST in the body