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LEDWIZ wiring question

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Dragonman73:
I've got a question, I just got my ledwiz in yesterday and noticed on the instruction sheet I needed resisters on the LED's. My LED buttons are 5 volt pieces I got from paradise arcade.

I plan on using my computer power supply to power the led's with 5 volts....and bypass the usb power alltogether.

Do I still need resistors? I used to have an pac-drive controller and I didn't use resistors with it

mgb:
If the leds you got from paradise arcades are said to be 5 volt, then they should already have the resistor built in.

RandyT:

--- Quote from: Dragonman73 on December 13, 2011, 11:41:20 am ---I've got a question, I just got my ledwiz in yesterday and noticed on the instruction sheet I needed resisters on the LED's. My LED buttons are 5 volt pieces I got from paradise arcade.

I plan on using my computer power supply to power the led's with 5 volts....and bypass the usb power alltogether.

Do I still need resistors? I used to have an pac-drive controller and I didn't use resistors with it

--- End quote ---

Raw LED's need a resistor, but if you buy a lighted button which specifies 5v, that means there are already resistors in place which make them 5v.  The LED's themselves usually work at much lower voltages.  We offer similar buttons with a 12v rating, which will also light fine at 5v, albeit not as brightly (and will last longer at the lower brightness, BTW).  You can always run an LED lighted button at a lower than specified voltage, so long as you are happy with the light output, but never run one at a higher voltage, without another resistor in series to soak up the extra.

RandyT

stalemate:
I had a similar question...

I have some of the electric ICE buttons with RGB led from groovy game gear. Do I need to add resistors or is it already built in?

Also, I have 8 buttons per player so that is 24 led leads per player. I have 2 LED-Wiz units. If I run USB to each one, should each one be able to power 1 player worth of buttons with no external power? And do I need resistor(s)?

mgb:
You don't need to add resistors to those Ggg rgb leds. You should however use external power, not the usb power.

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