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 The great thing about liking someone in your robotics team is that they've already seen you at your worst, and you cant shock them with ANYTHING anymore :D - SCROSSLEY-GCEC [more] |
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#10
07-07-2011, 15:47
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Re: What happens when a bored EE gets ahold of 57,600 LEDs
The LEDs are the standard 0603 size, 1.6mm x 0.8mm. They are made by Kingbright, and come on reels. I bought 22,000 of each of R,G and B types. Surprisingly, green costs twice as much as blue.
This display runs at much lower power than a typical LED billboard, since it's designed for use indoors or at night. Curiously, the idle current of the 1,000 driver chips (15mA at 3.3V) uses as much power as the LEDs themselves. 
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