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원문 게시자: Seth Ludeman ,

텍스트:

" The HiJack energy harvester can supply 7.4 mW to a load with 47% power conversion efficiency when driven by a 22 kHz tone from the output from a single audio channel on the iPhone 3GS headset port"

So tell me how the headphone jack on iPhones can't supply power? The question wasn't "can the headphone jack power a mp3 player".

현황:

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