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Re: [APD] LED Lighting or -- Looking for the go sign for cheap LEDs
--- Wright Huntley <whuntley at verizon_net> wrote:
> >
> >
> >
> >
> >
> > Not overdone if you supply us with some schematics. I
> can
> > solder but I can't design the circuit
>
> Find me a cheap supply of LEDs and I'll work on it. :-)
>
> >
> >>> but I would like to
> >>> roughly regulate the
> >>> current to maintain constant output with age, temp,
> etc.
> >
> >
> > And to keep things kosher when one or more of the LEDs
> goes
> > south?
>
> That is pretty rare, which is why cities like them for
> traffic control.
> Ever seen a burned out one in a traffic light? :-)
No, but I've seen them burnt out in truck tail lights.
And onthe first nightlight I built, which then proceeded to
flash the rest fo the LEDs.
>
> >
> >
>
> >>> I see more problems working out mountings and
> attractive
> >>> housing. How do
> >>> we keep food from fouling them, etc.? Will algae
> quickly
> >>> grow on the
> >>> plastic lens and turn them off?
> >
> >
> > You could keep them above water, no?
>
> I wouldn't be interested, having experienced the
> advantages of immersed
> lighting. <g>
YOu could embed them in epoxy with only the lens
protruding. A pourable epoxy would work nicely to get a
layer thick enough to work but think enough to ot cover the
lenses.
Good luck with the heating.
Scott H.
=====
S. Hieber
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