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Author Topic: usb port queries  (Read 2291 times)

Offline atomicareprise

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usb port queries
« on: December 04, 2009, 08:53:45 PM »
i want to do this but i dont know where should i solder the positive and the negative points to the 5 pins of the usb...


i don't know where is the negative and the postive on the 5 pins...

can anyone help me..thanks...
Post Merge: December 05, 2009, 10:31:33 AM
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« Last Edit: December 05, 2009, 10:31:33 AM by atomicareprise »
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Offline Blazinkaos

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Re: usb port queries
« Reply #1 on: December 06, 2009, 04:59:21 PM »
Are you doing this on a mini. If so you need to find out the pinouts of the USB then from there it should be easy.
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Offline atomicareprise

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Re: usb port queries
« Reply #2 on: December 08, 2009, 04:07:50 AM »
that's my problem i don't know what pins corresponds to my connections..

btw i'm getting the usb port from a card reader or from an mp3 player..

any clue which is which?
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Offline Arioch_76

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Re: usb port queries
« Reply #3 on: December 10, 2009, 02:27:05 AM »
Hi take a look here : Hardmoding.com

And here the answer I think ^^:


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Offline Blazinkaos

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Re: usb port queries
« Reply #4 on: December 10, 2009, 07:31:00 AM »
Thats good Arioch_76 thats right should work just fine.
« Last Edit: December 10, 2009, 07:31:38 AM by Blazinkaos »
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Offline Modded Matt

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Re: usb port queries
« Reply #5 on: December 10, 2009, 08:11:59 AM »
A usb plug only has four pins, not five. it has ground, power, data+ and data-

the two outside pins of the usb are grounds, and the two inside are + however I am unsure of which two are data vs power.
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Offline Blazinkaos

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Re: usb port queries
« Reply #6 on: December 10, 2009, 08:42:40 AM »
Yea your right matt one thos pins is just n/a.
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Offline Modded Matt

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Re: usb port queries
« Reply #7 on: December 10, 2009, 09:43:03 AM »
correction. mini usb cables have five pins on the end that they connect to the device, however, on the end that plugs into your pc there are only four. so something is common. simple probing will tell, I f I have time this evening after work I will poke around a bit and see what more I can get for you.

if you cut the end off though there are only four wires inside.
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Offline atomicareprise

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Re: usb port queries
« Reply #8 on: December 10, 2009, 07:06:15 PM »
now i'm more confused..lol
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Offline W-Gaming5

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Re: usb port queries
« Reply #9 on: December 10, 2009, 11:36:19 PM »
 :censored: :censored: :censored: :censored: :censored: :censored: :censored: :censored: :censored:
« Last Edit: July 29, 2012, 12:40:51 PM by W-Gaming5 »
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Offline Modded Matt

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Re: usb port queries
« Reply #10 on: December 11, 2009, 04:38:01 AM »
if all you want is power, use the diagram above. a bit more info on what your doing may help. I did not have time to probe a mini usb last night. but will this weekend
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