10247| 3
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中控上的I/O口 一般用在哪里 |
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发表于 2006-7-26 10:30
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re:可以接干触点,以及TTL逻辑信号等
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发表于 2006-7-29 01:21
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re:外部电平输入,比如一些传感器给的变化的电...
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