翻看亚马逊网站
一老外是这么说的：
My biggest concern was that this device would be running constantly 24/7 as I started to fish a power cord through the wall to supply power to the unit. Then a light bulb went off in my head. I took the supplied mini to full USB cable, plugged the mini side in the unit and the full side in my TV's USB port.

Now when my TV's is turned on the unit gets it power and boots up. When I turn the power to my TV off, the unit powers down. No need for the power supply.

另一个用户：
Have this hooked up to my tv with a 3tb drive attached and it makes a great media center pc. I have the mini USB port hooked to the tv USB so when tv is off so is the unit. Haven't seen any heating or freeze problems at all. Like the idea that it plays any video file format. Works great.

我的理解是连OTG转成USB插到电视的USB口上
就可以实现电视供电了
开电视棒子就亮，关电视就灭

电视不再身边
晚上回去试试。

[ 本帖最后由 nagasawa 于 2013-8-26 12:02 编辑 ]

干过类似的事。要看电视usb口供电具体够不够了。

电视上的USB接口一般会有一个是电流大的（2A？），估计可行

这个白菜棒子电源不是usb口的？
正常最方便的使用办法就是电源直接USB取电啊
不过有的棒子供电要求高，电流1A容易各种问题，上2A坨坨的

posted by wap, platform: iPhone

我就是这样弄的，有人建议别这样，万一烧毁就那啥了！
老老实实的用了电源。

引用:

原帖由 一瞬千万 于 2013-8-26 11:52 发表
posted by wap, platform: iPhone

我就是这样弄的，有人建议别这样，万一烧毁就那啥了！
老老实实的用了电源。

老房子悲剧啊
没在墙里预留电源通道
能少根线是根线

posted by wap, platform: iPhone

我就是 这么干的

posted by wap, platform: 小米 (MI 2S)

usb电流是受供给设备提供的，不是受接入设备控制，超过电流要求不会烧但会造成接入设备供电不足！