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How to power small LEDs?

post #1 of 22
Thread Starter 
Hi,

I was looking at putting some tiny UV LEDs around my case and was wondering how you would connect and power them, here's what I was looking at, runs at 5volts:

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post #2 of 22
Thought about this too, no idea however...
    
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post #3 of 22
Thread Starter 
Quote:
Originally Posted by Emmanuel View Post
Thought about this too, no idea however...
hmm, well I did think it might be possible to solder a 5v and ground from a molex wire, but thought I'd check into the safety first.

Also might as well make it worthwhile and connect a few together.
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post #4 of 22
Connect the a black wire to one side and the red on the other, from PSU 4pin molex power connector.


OR...get a battery
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post #5 of 22
I don't feel like shortening my rig, I would rather buy cold cathode tubes, they are $4 on Newegg,
    
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post #6 of 22
You could solder three of those in a series to run off one 12v line that way you don't have to mess with resistors. It should be fairly easy and should only require solder and a solder iron maybe some heatshrink tube if you want to get fancy.
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post #7 of 22
Leds are easy, I'll show you BRB
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post #8 of 22
Quote:
Originally Posted by Emmanuel View Post
I don't feel like shortening my rig, I would rather buy cold cathode tubes, they are $4 on Newegg,
DAAAAMN!!!! they are like 25-30 dollars here!!! man i wish i lived in the US
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post #9 of 22
Thread Starter 
So it's possible, then how about the best way to power about 4 at a time?

On the alphacool plexi top they have 4 holes specifically for inserting LEDs to light it up, that's why I'm interested in the mod.

edit: I just saw km's post, would I be able to solder 4 together instead of 3? Or is that too many?

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post #10 of 22
You would need to make an adapter or hack one of your molexs and then take the yellow lead and solder it to the long connector on the led and then take some extra cable and do the same to the four others. Then on the last one solder the short lead to the black lead off the molex.
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