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Author Topic: power for LED's???  (Read 3335 times)

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REBIRTH

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power for LED's???
« on: December 06, 2002, 01:44:01 am »
I'm sure a simple question - I'm just not seeing it.  I have an IPAC (no LED harness) and Opti-Pac.  I have a translucent trackball for which I want to hook up a couple of LED's to illuminate.  They apparently need a 5V source, which I know the IPAC/OptiPAC uses as power as well... Using them, or something else, where can I get a constant 5V source to light the two LED's?

Thanks!!!!!!!!
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cdbrown

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Re:power for LED's???
« Reply #1 on: December 06, 2002, 02:07:02 am »
Your computer power source has +5V (red wire), just make sure you have a resistor before the LED.  This has been discussed a few times http://www.arcadecontrols.org/yabbse/index.php?board=1;action=display;threadid=663;start=0

Cheers
-cdbrown
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REBIRTH

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Re:power for LED's???
« Reply #2 on: December 06, 2002, 02:13:59 am »
Perfect, thanks!  I did search before I posted, but obviously I didn't search too well.

Thanks again! :o
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Smittydc

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Re:power for LED's???
« Reply #3 on: December 12, 2002, 05:12:56 pm »
You might try picking up one of the led clusters available here.  Should provide tons of light and come with an adapter for attaching to computer 12v power supply:

http://www.glowire.com/
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Re:power for LED's???
« Reply #4 on: December 12, 2002, 11:06:46 pm »
wow - that looks perfect!  Thanks!
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slug54

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Re:power for LED's???
« Reply #5 on: December 13, 2002, 07:28:45 pm »
The Opti-pac has terminals labeled 5v and ground.
I just used these and added a current limiting resistor
it works great and illuminated the trackball perfectly.
                            Slug54
 
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