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Main => Main Forum => Topic started by: T_brez on May 12, 2009, 12:18:53 am

Title: 5 volt source?
Post by: T_brez on May 12, 2009, 12:18:53 am

Based on your experiences, what is the easiest method for obtaining a 5 volt source for various applications on your cab?  ???

Title: Re: 5 volt source?
Post by: severdhed on May 12, 2009, 12:30:55 am

assuming this is a PC based cabinet, the Red wire from your PC power supply is a good source of 5v.  this is easy to tap into from any of the hard drive/floppy drive power connectors.  that is what i used to power my Utrak LEDs, as well as my novagem buttons.

Title: Re: 5 volt source?
Post by: T_brez on May 12, 2009, 12:33:26 am

I know you run the risk of drawing too much current if you try to tap the usb ports. My machine will be possess a hefty amount of LEDs, does tapping the pc's 5 volt line carry an equal risk, or by chance if there's a different limit do you know around what it is? BTW, i'm waiting on electric ice-t buttons from GGG right now, but how do you like your nova gem buttons?? :D

Title: Re: 5 volt source?
Post by: DJ_Izumi on May 12, 2009, 02:41:26 am

A single power line on USB 2.0 if I recall correctly can only carry 500mA at 5v, that's a whopping 2.5 watts.

That's not a lot of power.

You could easily tap the 5v line off a molex connector off the PC's CPU and get a lot more amps.  The total amperage depending on PSU to PSU, however if you're powering LEDs it'd likely be more than enough.

Title: Re: 5 volt source?
Post by: Blanka on May 12, 2009, 03:21:46 am

This is a separate supply for arcades with 15 amps on the 5V:
(http://www.arcadeshop.de/images/arcade-powersupply1.jpg) (http://www.arcadeshop.de/Miscellaneous-Power-Supply-130W-5/12/-5V_338.html)
It also has 12V 4 amps for a nice stereo amp.