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4100| 4
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如何用IO检测多个高低电平 |
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1金钱
最佳答案74HCT166级联,3个IO口扩展无限多个IO口。不客气
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He who fights with monsters should look to it that he himself does not become a monster, when you gaze long into the abyss, the abyss also gazes into you.
过于执着就会陷入其中,迷失自己,困住自己。 |
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专治疑难杂症
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