> Sweet, that's almost exactly how I have my circuit
> with the exception of that 1n4004 diode.  What is it
> for?  I notice it's not in the breadboard picture?

I call it the fool's diode. Is that enough to explain its function?

You don't see it on most pictures because it is a 'fixed' part of all my
breadboards. On http://www.voti.nl/blink/pics/bb-630-big.jpg you can
glimpse it beneath the yellow LED.

Wouter van Ooijen

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

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