At 12:06 PM 12/28/01 +1300, Jinx wrote:
> > >> so you could put 3 in series on ~ 6.5V supply with no
> > >> current limiting resistor, makes life simpler (no heat)
> >
> > There was a discussion on this topic a few months back in
> > a NG. The overall decision was no current limiting resistor
> > that is a bad idea
>
>Slowly, ever so quietly, places paper bag over head

Well, a series string of LEDs could be driven by an SMPS, sensing the
current through the string, rather than the voltage applied. That works,
though you might want to limit the output voltage compliance in case of an
open circuit.

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