Yes,the bread-board circuit looks in order.Only thing I noticed is that your 1K
resistor is in between the LED and the capacitor.Run a wire from the LED + to
the capacitor +.Then the 1 K resistor from the capacitor + to the battery +
.Maybe that helps fix the problem.
Good Luck!

regards,Arno

--- In beam@yahoogroups.com, "yanom@..." <yanom@...> wrote:
>
> neat-looking breadboard circuit. I need to get some colored wires :)
>
> --- In beam@yahoogroups.com, "toddbguill" <toddbg@> wrote:
> >
> > Hello everyone. I just uploaded a img of my breadboarded pummer.
> > I decided to try out first with the breadboard so that I can attempt to get
some readings on a variety of settings to change the pumm length and the pause
rate between blinking as I would like to set up a small colony of these.
> >
> > Everything is standard off the MAKE magazine circuit.
> >
> > I started with a solar cell from some westinghouse garden spikes as well as
the single nicad aa that was included in there (lights up a white LED)
> >
> > however with that setup I never got the led to light up.
> > When I shorted out the SC and put in a 3v battery supply then I got the LED
to light up and start blinking, but there was no change to Flash rate nor to the
Decay (pummm) fade as it appears as though it is acting as a normal Flash rather
than a fade.
> >
> > Could any of you take a look at let me know what you think?
> > The IC are 74AC240 from Fairchild/digi-key.
> >
>