--- In cgs_synth@yahoogroups.com, Dave Kendall <davekendall@...>
wrote:
standard current limiting resister and connect a 50K trimmer in
series. Power up the circuit and trim the LED to the brightness you
like. Measure the trimmer resistance. Swap the trimmer and resistor
combo with a single resistor equalling their value.
With some circuits this may effect the output voltage. If so, use a
seperate LED driving circuit (transistor, resistor, and LED).
peng
http://home.comcast.net/~peng5002/mainpage.htm
wrote:
> Would it be a solution to *seriously* limit the voltage to them,making them
> much dimmer?Yes. I think so. I use blue and other ultrabright LEDs. I leave the
> Might that also have the benefit of drawing less current?
>
> cheers,
>
> Dave
>
standard current limiting resister and connect a 50K trimmer in
series. Power up the circuit and trim the LED to the brightness you
like. Measure the trimmer resistance. Swap the trimmer and resistor
combo with a single resistor equalling their value.
With some circuits this may effect the output voltage. If so, use a
seperate LED driving circuit (transistor, resistor, and LED).
peng
http://home.comcast.net/~peng5002/mainpage.htm