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Usb Wiring Diagram?


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7 replies to this topic

#1 raidencmc

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Posted 04 October 2008 - 09:18 PM

I am trying something a bit different that does not really apply to computers but has to do with USB. What I am looking for is a diagram of a usb port so I can take one apart and replace the power created through the port with an AC/DC power supply. That is it in a nut shell. I understand it is a bit more complicated than that.

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#2 dc3

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Posted 04 October 2008 - 09:24 PM

What exactly are you trying to power up, and are you trying to do this from your computer?

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#3 Sneakycyber

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Posted 11 October 2008 - 12:20 PM

Here you go Link. I have seen this used as a power source for various things.

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#4 raidencmc

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Posted 21 October 2008 - 05:27 PM

What exactly are you trying to power up, and are you trying to do this from your computer?


I do custom installations of home entertainment products and having a voltage might be helpful in some situations. Just kind of curiosity too.

#5 garmanma

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Posted 21 October 2008 - 05:49 PM

I have seen this used as a power source for various things.


Really??

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#6 Sneakycyber

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Posted 21 October 2008 - 06:10 PM

Isn't it dangerous to use water near a computer :thumbsup:

Edited by Sneakycyber, 21 October 2008 - 06:12 PM.

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#7 raidencmc

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Posted 21 October 2008 - 08:21 PM

I printed out the link that Sneakycyber sent me but have not read it yet. Is the power always on or does it turn on and off with the computer or does it differ from PC to PC. I have seen fans that work on USB power. What I am might be doing is idiot proofing a theater and what I would like to do is have the customer be able to use a remote or turn on the PC or whatever device to operate the system I have a controller that has the ability to sense voltage and if you turned on the PC and after that the controller sensed it it would then turn on the system and the appropriate inputs yada yada yada. That is it in a nut shell but it also has many more uses. The toothbrush is cool all you need is a toilet, Microwave and fridge and you would never have to leave the computer!

#8 Sneakycyber

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Posted 22 October 2008 - 05:06 AM

The USB on the computer itself IME turns off with the computer (mine won't charge my palm with the computer off). However if you have a Powered USB hub they remain powerd through a seperate power supply even when the computer is off. Usually these are identified by of course the plug and sometimes a light like these.

Edited by Sneakycyber, 22 October 2008 - 05:06 AM.

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