gnupic: Re: [gnupic] sanity check, pic12f675 first project
Subject:
Re: [gnupic] sanity check, pic12f675 first project
From:
Mark Rages ####@####.####
Date:
22 Jul 2009 18:11:49 -0000
Message-Id: <74ee72ca0907221111s4119875bqf43d53914bab673b@mail.gmail.com>
On Wed, Jul 22, 2009 at 12:59 PM, Peter ####@####.#### wrote:
> Mark Rages wrote:
>> I don't think you'll find a significant brightness increase with
>> modern LEDs:
>>
>> http://members.misty.com/don/ledp.html
>
> This page says "UPDATED .. 2001" and there has certainly been a lot
> of development in LED products over the last decade.
>
> I think it is safe to say that high current PWM is the easiest way
> to get the most performance out of any LED.
>
> The improved efficiency (as mentioned back in 01) can of course also
> be a deciding factor, not only brightness.
>
> But in particular the high-power white LEDs really must be driven
> with PWM.
>
Please cite a reference for your assertion that PWM delivers higher
performance than a current source for a modern LED.
Of course PWM has better power efficiency. It's the performance and
the "must be" of your statement that interests me.
Regards,
Mark
markrages@gmail
--
Mark Rages, Engineer
Midwest Telecine LLC
####@####.####
