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How To Fix Dim Replacement Led's On A Wireless Controller?


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#1 n3r0

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Posted 17 June 2010 - 01:16 AM

I put replacement blue led's on my wireless controller and running it on a battery back they are actually so dim it looks like they are barely on. It wouldn't be such a problem if they were just slightly more dim.

I have done a few wired controllers so I never anticipated this problem.

Specs:
CG Version Wireless w/ Microsoft Play and Charge
LED's: 80mcd 3.0v w/ 3.4 max
http://www.unique-le...product_id=1734


#2 phenoptix

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Posted 17 June 2010 - 10:42 AM

A common fix is to use batteries

#3 n3r0

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Posted 17 June 2010 - 04:45 PM

As in, use the AA battery pack instead of the rechargeable pack?

#4 phenoptix

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Posted 18 June 2010 - 11:34 AM

Pretty much. The recharge packs don't seem to supply as much juice as fresh AAs. Not sure if anyone's been able to source particularly low voltage SMDs as yet. I try and get the lowest voltage batches I can, but with blue LEDs it's usually around 3V that you get the best from your LEDs.


#5 n3r0

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Posted 18 June 2010 - 04:45 PM

Ah. so if i can find lower voltage led's I can get it to work. I'll keep that in mind.

#6 JFreezus

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Posted 19 June 2010 - 07:52 PM

you cant get blue leds lower than 3 volts as of right now. They are working on the technologies but Red yellow orange....all around 2.2v

Green is usually 2.8 to 3v

The rechargeable batteries only put out 1.8v (i think) a piece when fresh. Regular AA's put out about 2.2-2.3v when fresh.

With my blue led's, I can tell how low my batteries are getting by how much the brightness starts to go down. Once they have completely faded away I can save those to use in a tv remote or something and get some new ones out for the xbox controller.

Edited by JFreezus, 19 June 2010 - 07:55 PM.


#7 PilknDunn

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Posted 20 June 2010 - 02:35 AM

I posted this answer on your other post as well..



The reason the blue leds are dim Is because a Cg controller puts out less power, so they will dim when the battery begins to die, also if you are using a rechargeable batterypack it produces 2.1 volts and blue less require 3.3volts same as white, and purple, any other colors work fine and don't dim with a rechargeable battery pack.. The leds will be as bright as possible when the controller is plugged into the pnc charger, but will dim overtime due to lack of power output.. Hope this helps... smile.gif

#8 mgeno216

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Posted 20 June 2010 - 03:29 AM

Also, isn't 80ma kind of high. It wouldn't be causing the dimming problem, but it would be draining the battery faster. You aren't going to find blue leds that are much lower than 3v. Part of their ability to create blue light is based on the relative higher voltage.

These would be the ones I would get.
http://search.digike...e=475-2720-1-ND

Good Luck,
Mike




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