> I'm going to carefully price out a few complete solutions 
> (wall wart and
> all) and see where things come out.  How much is flexible input power
> requirement worth?

I don't know how things are at other parts of the world, but I can buy a
low-quality wall-wart for E 2 (300mA unregulated DC), a high-quality one
for E 5 (1A switcher). For both an 7805 + some capacitors would do.
Perosnally I always add a series diode and protection dioded for the
7805.

Wouter van Ooijen

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Van Ooijen Technische Informatica: www.voti.nl
consultancy, development, PICmicro products
docent Hogeschool van Utrecht: www.voti.nl/hvu
 

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