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機殼的電源開關接線如何分辨正負極?
May 20th 2013, 15:46

接機殼開關的線有兩大秘訣,

1. power on/off sw 及 reset sw
基本上可以不分正負極, 因為機殼上的開關按下作用就是將這兩極做短路接觸,
所以可以不分.

2. 其他像power LED, HDD LED, Speaker等等,
通常都會用黑/白色的線表示負極,
其他的顏色為正極.
基本上就算接錯也不會爆炸, 頂多不亮, 再接回來就好, 不用擔心

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