急!!電路問題!!發光二極體+電阻? - 生活
By James
at 2015-12-23T02:07
at 2015-12-23T02:07
Table of Contents
請問紅、黃的發光二極體要跟白、藍、綠的發光二極體同電壓那要用幾毆姆的電阻??(包括電阻色環)(我要接3V的電源)那請問如果我要用12V的電源要接3V的發光二極體要用幾歐姆的電阻(要色環)??
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By Mason
at 2015-12-27T11:25
at 2015-12-27T11:25
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