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[Q] How to estimate the power supply capability of my Samsung tablet through otg ?

5th March 2014, 09:31 AM   |  #1  
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Join Date:Joined: Jan 2014
After much hesitation about the choice for which small otg gadget , I choose this one for its slim and simple looking with a suitable price:

The following idea is how I design the use situation : The otg is connected to my Nexus 7. And I planned to plug the Samsung Tablet to one of the four usb 3.0 port. As this is not a gadget with its own power adapter. I worried about the power supply issue. I wonder which could be the main part to supply part. Let alone to add other devices to all the usb 3.0 ports.

Is my idea a practical one ? Anybody who has a wise solution is warmly welcomed.
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