POV-Ray : Newsgroups : povray.off-topic : Luniversity studies : Re: Luniversity studies Server Time
10 Oct 2024 13:12:23 EDT (-0400)
  Re: Luniversity studies  
From: Nicolas Alvarez
Date: 12 Nov 2008 19:16:05
Message: <491b71c5@news.povray.org>
scott wrote:
>> Well, I had a diagram for a circuit where you connect a lamp to the
>> battery through a linear potentiometer. The brightness of the lamp
>> varies roughly linearly. But the brightness of an LED... does not.
> 
> LED brightness is proportional to current not voltage!

Also, are *human eyes* linear? Would you notice when brightness is changing
perfectly linearly? :)


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