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XOIIO's avatar

Source of 3V in a PC?

Asked by XOIIO (18360points) August 27th, 2009

Where in a PC can i get 3 volts (can be more) of electricity? I need it to power LED’s.

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3 Answers

PerryDolia's avatar

The black wire coming out of the power supply is ground.

There are several red wires, they are all at +5v. That is the closest you can come to +3v.

PerryDolia (3481points)“Great Answer” (0points) Flag as…
eambos's avatar

+3.3v is orange in the PSU that I turned into a lab supply.

eambos (8909points)“Great Answer” (0points) Flag as…

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