At 05:10 PM 2/11/99 +0000, Lloyd Verhage wrote: >> Is this a packaged kit from clement, or are you putting it together on your >> own? > >Dr Clement sells either the PCB populated or just the programmed PIC. > I purchased the programmed PIC (with some schematic info and the >programming s/w) so I could design it into my own contoller for >balloons. His populated PCB wouldn't work well with what I'm doing, >but is great stand-alone. > >Lloyd Then I'd guess the schematic you have is wrong. Looking at the board pictures, there are two caps on the sides of the xtal.. They should be on the schematic. Just add a pair of 20pf and try. that's a very common load value. If it dosen't seem to work, then odds are you have a series resonant xtal, and you'll have to get the right thing.