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USB voltage switching

  1. Nov 26, 2007 #1
    I'm looking for a way to control the output voltage on a USB cable through programming. I don't know too much about how to program USB devices, but I know there's a default 5v output, a ground, and two data lines in every USB cable. Ideally, I would like to be able to set this voltage output to anything, or make it switch on/off with a given frequency.

    Any help is appreciated!
  2. jcsd
  3. Nov 26, 2007 #2


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    Here is a http://www.delcom-eng.com/downloads/USBPRGMNL.pdf" [Broken]. Maybe this will help.
    Last edited by a moderator: May 3, 2017
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