电源开关1,1a,1b是正极还是负极? 电路电源|i的正负极怎么分?长的是正还是短的是正?
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绛旓細瑙掑氨鏄涓閽,鑰岀涓閽堜竴鑸鏄鏋 HDD-LED纭洏鐏:瀵瑰簲涓绘澘HLED,褰 鑹叉鏋, PWR-LED鐢垫簮鎸囩ず鐏:瀵瑰簲 涓绘澘涓奝WLED,褰╄壊绾挎鏋,瀵瑰簲涓绘澘 涓婂啓+浣嶇疆 RESETSW鏄鍚敭:瀵瑰簲 涓绘澘RSW,娌℃湁姝h礋鏋 POWSERSW 鏄鐢垫簮寮鍏:瀵瑰簲涓绘澘PSW,娌℃湁姝h礋 鏋 SPEAKER鍠囧彮:瀵瑰簲涓绘澘 SPEAKER,褰╄壊涓烘鏋. 浠ヤ笂鎺ラ敊涓...
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