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Re: Control LEDS with Volts
Surely a voltage variation results in a current variation?
I have varied the brightness of normal LEDS purely by putting resistance in
series with them thereby reducing the voltage across them.
Your variable voltage will result in variable output from the LED.
Tracey
>I have a potential project but have hit a snag,
>
> I want to replace a 12V halogen lamp with a LED - There is already
> provision for dimming the halogen by varying the voltage, and a
voltage
> slider is already in place, so is it possible control a LED or a LED
> array with an analog voltage (say 4-12V) - is there a device that will
> convert the voltage variance into current variance and allow me to dim
> the LEDS using the slider?
>
>
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