Check all voltages while programming.  If the high voltage (12v??) isn't
high enough, it won't work.  I had an open trace when I built the p16pro40
programmer.  Everything has been peachy since.

Joe

Nuri Eady wrote:

> I am trying to program a 16f84 using PIX with a simple programmer that I
> have built and was designed by John Hansen. The program seems to see
> something on the serial port because when the programmer is not
> connected I get an error when I erase the pic. I get an error though
> when I try to blow the program area, I get the message  PIC=1000  3000
> wanted, 3000 is the first number in the program I am trying to load. I
> think the programmer is assembled correctly because it only contains
> about 9 components and I have double checked the circuit several times.
> Does anyone have any thoughts or ideas on this subject?
> Thanks,
> Nuri