Pro/Forums - LED question...

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- - LED question... (http://forums.procooling.com/vbb/showthread.php?t=6392)

does anyone know where i can find dual led's with purple...
ie: purple and green or purple and red...
UV is ok too

Dual colored LEDs are rare, but the color combo you're looking for is probably non-existant.

Look for an alternative.

to get purple you need to go with a quad connector LED. Where there are 3 diodes in one housing, share a common ground. With those you can make any color you want by changing voltage to the 3 other pins.

Joe, where might i find one?

https://www.netdisty.net/ds/rgb1004/default.asp

Wow a whole array of them!!! that rocks 90$ though

but if you were good with soldering and had something to control them, I bet you could do some damn awesome things with it.

Damn, did you see the mcd output on those displays? You couldn't light up the inside of a film canister... Anyway, if you're only looking to buy one 3-color LED, Mouser has them for about seven bucks a piece. They're either made by Chicago Miniature or Kingbright, I don't remember which. Either way, you're getting a VERY well made LED, with a minimum mcd output in the twenties, and an average in the seventies. By no means bright (your average "Super Bright" rated LED will output anywhere from 1000-3500 mcd) but more than visible. Anyway, until they make a Red/Blue bi-color, there is one other option. A low nM UV LED reverse biased with a red LED, both shining through the same LitePipe. Conveniently enough, Exabyte Systems sells a 400-405 nM UV LED in a five pack for $2.50 US available for order here, and LitePipes are available from our friend Mouser for about twenty six cents a piece. All in all, you could make 5 Ghetto Rig Purple/Pick-a-Color LED's for about a buck a piece. Assuming you can wait for the parts to be mailed.

So yeah. I spend way to much time reading electronic supply catalogs.

Visit FrozenCPU for dual red/blue LEDs. Dual white/blue LEDs exist also (but I can't remember who sells them, one of the PC modding sites), and even green/yellow LEDs (as opposed to green/red ones, e.g. here). There's the RGB LEDs mentioned above.