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[讨论] 在MP3上加一个指示灯,显示工作状态,怎么来做这个电路?-急 |
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发表于 2006-11-16 09:04:40
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发表于 2006-11-16 11:25:49
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发表于 2006-11-27 16:56:21
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发表于 2006-11-28 11:03:40
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发表于 2006-11-29 14:42:36
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