有冇人知,滑鼠收線器入面個原理係點..........?

想自己整個,for ear phone 用

Buy a retractable usb extension cord, cut the usb connector and solder your earpieces + 3.5mm plug to it.

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你拆開研究下就知係咩結構

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原帖由 cyrus422 於 2008-12-16 13:54 發表
想自己整個,for ear phone 用

There is a spring inside.  A very simple structure.

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