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Otg cable + hub usb + memory pen = drain teblet battery

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  • Otg cable + hub usb + memory pen = drain teblet battery

    I recently upgraded my system and i installed a MediaPad 7 "
    and use the USB port via otg cable to connect a USB hub
    memory pen and keyboard;

    the problem is that after stand by the hub is powered from tablet and it
    drain his battery...
    any solution?
    Last edited by aziodale; 04-25-2012, 09:09 AM.
    Huawei Mediapad 7" (1280x800 IPS) | Carnetix P2140

    My last update http://www.mp3car.com/show-off-your-...t-version.html

  • #2
    Power the hub off the car(switched with ignition perhaps) and cut the power wire in the USB cable?

    Comment


    • #3
      Originally posted by dmcdlrn View Post
      Power the hub off the car(switched with ignition perhaps) and cut the power wire in the USB cable?
      is an attempt or you know that works?
      Huawei Mediapad 7" (1280x800 IPS) | Carnetix P2140

      My last update http://www.mp3car.com/show-off-your-...t-version.html

      Comment


      • #4
        Originally posted by dmcdlrn View Post
        Power the hub off the car(switched with ignition perhaps) and cut the power wire in the USB cable?
        all ok it worked perfectly ;-)

        but now i have a strange problem
        usb keyboard worked great with Android 3.2, after upgrading to ICS no longer works :-(
        solutions?
        Huawei Mediapad 7" (1280x800 IPS) | Carnetix P2140

        My last update http://www.mp3car.com/show-off-your-...t-version.html

        Comment

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