> I was just looking at that and I'm not a fan of shorting out 
> the PS.  Surely 
> there must be a cleaner way to do this, by intercepting the 
> Vdd line to the 
> target?

When your target is 7805/78L05 powered I see no problem.

Intercepting the power an switching it off (and shorting any remaining
charge!) might be cleaner, but is not as easy to add to a target
circuit.

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
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