Here’s a simple problem: “How do you make an LED turn on when it gets dark?” You might call it the “nightlight problem,” but the same sort of question comes up in a lot of familiar situations– emergency lights, street lights, silly computer keyboard backlights, and the list goes on.
Source:http://www.evilmadscientist.com/article.php/nightlight
Thank you.
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This entry was posted on Thursday, May 29th, 2008 at 3:17 pm and is filed under Lighting.
