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Thread: Built my own OTG cable today in under an hour!

  1. #1
    Junior Member estakin's Avatar
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    Built my own OTG cable today in under an hour!

    So i got sick of waiting for my otg cable to come in the mail so i built my own today in under an hour. I work for sprint as a tech in the back we had both extra cables i needed.
    usb 2.0 extender (the female end required)
    standard micro usb data cable.

    So i cut both in half saving the required ends listed above and dismantled the micro usb casing as shown in picture.

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    below is a diagram of the pin out for a micro usb connection
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    After you get it dismantled like the top image all you have to do is short the 4 and 5 pin with 2 jumpers.

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    then i stripped both ends of the red green black and white all my colors matched witch made it easy between the 2 cables if they dont identify at the ports so you match them up right.

    Worked perfectly plugged a hub into it with a usb thumb drive and a wired MOUSE!!!!

    hope you like it worked out great all you need is xacto knife cables and minor soldering skills (dont short anything else but 4 and 5 pins Tighter space).

    Estakin
    Last edited by estakin; 08-26-2012 at 12:26 PM.
    Selden, jntdroid and wicked like this.

  2. #2
    Senior Member dennyjones's Avatar
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    Very nice..

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    Senior Member jeems's Avatar
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    Good job. It ain't purty, but it if works it works!

  4. #4
    Junior Member estakin's Avatar
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    Exactly my thoughts honestly didnt think it was gonna work but it did and still does should be getting the real deal from amazon in a day or 2 along with my rotating case and my bluetooth slim line mouse I also used a 3 port hub with 2 usb flash drives and mouse. I could not get the phone to read micro sd cards through the hubs card reader which does work through pc still through troubleshooting i think since its android format pry shows it in file manager in different spot?

    ~3574

  5. #5
    Senior Member Selden's Avatar
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    Thanks for the pictures

    I have considered doing this, but lacked the knowledge; your pictures are a great help. I found an article "How to: Make your own USB OTG cable for an Android smartphone" that includes an end-to-end wiring diagram, and an explanation of why the jumper is needed at the micro-USB end to activate the OTG function.

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