[問題] 有什麼元件可以用壓感或重力來生電?
我想做個玩具,想借由上下或壓力自然產生電力
不知道可有類似的元件?
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09/14 23:22, , 1F
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09/15 20:35, , 6F
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09/15 21:36, 8F