Don McKenzie wrote:

> Tjaart van der Walt wrote:
> >
> > Arvid Jedlicka wrote:
> >
> > > >      Has anyone tried making a cable to run from the PicStart Plus
> > to a PIC
> > > >      installed on a target board?  Unless there's something magic
> > about
> > > >      connection lengths, or crosstalk, or.... it seems like it
> > could work.
> >
> > It works. Watch out for :
> > 1) Earth loops
> > 2) Powering the target board with your PP+ (it won't work)
> > 3) Long cables
> > 4) Capacitance on your RB6 and RB7
> > 5) Too small pull-up on MCLR. The PP+ won't be able to move the
> > voltage.
> > It may be better to power up the target board and not connect the Vdd
> > from the PP+.
>
> I have often thought of using one of those cheap A/B DB-25 switch boxes,
> and installing the pic of your choice into the common position, just a
> db25 connector to a pic socket, and using very short cables to make the
> connections to the programmer and target board.

I'm not quite sure what you mean - can you explain it some more?

--
Friendly Regards

Tjaart van der Walt
mailto:tjaart@wasp.co.za
 _____________________________________________________________
| WASP International http://www.wasp.co.za/~tjaart/index.html |
|       R&D Engineer : GSM peripheral services development    |
|   Vehicle tracking | Telemetry systems | GSM data transfer  |
|    Voice : +27-(0)11-622-8686 | Fax : +27-(0)11-622-8973    |
|              WGS-84 : 26¡10.52'S 28¡06.19'E                 |
|_____________________________________________________________|