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Will this work to power a usb hub for my nexus?

2nd June 2014, 09:06 PM |#1  
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Ok, i have a OTG-Y cable to power my nexus 7 and a harddrive, but It seems that the hard drive gets so little power that it does not work if I have a usb extension cable or hub between it and the y-cable

So i need a powered USB hub, after much searching on ebay I can not find a 12v powered hub (car), so I should probably fix this myself.

So, what if i modify a normal usb cable like this on the picture so I can use another USB-power adapter to power the hub (and then harddrive, and other devices)

Will this work?
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3rd June 2014, 05:29 PM |#2  
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4th June 2014, 07:02 AM |#3  
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the hard drive has 2 usb ports right?

the second port is only for the power not for the data. so you only need a power source and dont have to fix the cable.
and for the in car installment of the power source.
you can use
4th June 2014, 03:22 PM |#4  
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Quote:
Originally Posted by etsch

the hard drive has 2 usb ports right?

the second port is only for the power not for the data. so you only need a power source and dont have to fix the cable.
and for the in car installment of the power source.
you can use

Nope, the hdd only have 1 usb port.
4th June 2014, 03:34 PM |#5  
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Ok then put an power bank on the y cable

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5th June 2014, 09:02 AM |#6  
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Quote:
Originally Posted by etsch

Ok then put an power bank on the y cable

Gesendet von meinem HTC One mit Tapatalk

Ok, why a powerbank, why dont just use power from my car?
5th June 2014, 09:03 AM |#7  
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Would also work.but if you have a y-cable you don't have do do anything with the cablrs

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5th June 2014, 07:09 PM |#8  
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Quote:
Originally Posted by etsch

Would also work.but if you have a y-cable you don't have do do anything with the cablrs

Gesendet von meinem HTC One mit Tapatalk

Perhaps I should explain a little better.
This is how the wiring is now:

This is what I want to do:
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