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http://befinitiv.wordpress.com/2014/0...-port-power-switching-to-an-usb-hub-2
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http://www.bithappens.se/blog/2013/05...e-yet-efficient-wireless-with-contiki
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http://arduino.cc/forum/index.php?topic=53821.0
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http://forum.notebookreview.com/showthread.php?t=434638&page=1
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http://www.gentoo.org/doc/en/power-management-guide.xml