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Re: [OT] LED Dimming


  • Subject: Re: [OT] LED Dimming
  • From: "David Buckley" <db@xxxxxxxxxxx>
  • Date: Sat, 26 Mar 2005 05:40:37 -0000



--- In ukha_d@xxxxxxx, "Frank Mc Alinden" <fmcalind@b...>
wrote:
> Hi David
>
>> To dim LEDs properly requires a PWM controller.  LED dimming
>> is pretty tied up in patents and patent litigation, so
>> these aren't exactly in over-supply.
>
> I  was hoping to make an  xPL-LED dimmer just using a pic .....
> Is there more to it than just using the pwm feature of the
> pic ???...

Not as far as I am aware, as long as you dont try to sell it :-)  The
problems are all with patents.

http://www.lsionline.co.uk/lsi/features/articles/jan2005_b.asp










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