Jack Andrews wrote :

> Hello,
> 
> I'm in software more than hardware,...

If so, why not just get a ready built unit ?
One from Wouter, DYI or whatever...
That might save you some work :-)

Jan-Erik.


> so I'm a little clueless.
> 
> I've combined Byron's schematics for THVP and Termination for 
> Long Cables
> to produce the schematic at
> 
>    http://www.ivorykite.com/thvp.html
> 
> Does it look right?  I think this is what I have soldered 
> onto a prototype
> board, but I'm not 100% sure...   linux picprg doesn't seem to do much
> when I turn pins of lp0 on and off.
> 
> sorry i'm a bit vague -- just hoping someone might put me back on the
> straight and narrow while i get some sleep.
> 
> thanks in advance,
> 
> 
> jack andrews
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