At 12:12 AM 3/4/98 -0500, you wrote:
>Have any of you guys ever actually built a PIC programmer yourself or built
>one of the PIC programmers from David Tait's site or any other site?
>
>If you did, could you tell me if it works or if it was difficult to do?
>I also plan to build a programmer myself, but I'm not sure if it's better
>to build one that interfaces with the parrallel port or the serial port.
>
>let me know..
>
>Thanks
>John
>
>
John
I just built a scaled down version of a parallel port design from Tato
Computers. The design and Windows software are available at
http://www.geocities.com/SiliconVally/Pines/6902/index.htm. I used 3904 and
3906 transistors. It worked very well first time, wich I can't say about
others I tried.
The software is really great. It will program a lot of different pics if you
want to build the whole thing.
I left out the Vpp2 and production circuits. Built it on a breadboard.

John