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于 2013-03-07 发布文件大小:16KB

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51单片机6个io口21个按键的设计源程序，并且具有单击双击，长按功能！(51 microcontroller 6 io port 21 key design source, and double-click-click, long press function!)

文件列表：

Display.doc,22016,2012-07-19
KEY.C,4518,2012-07-19
KEY_SCAN.doc,35840,2012-07-20
key_status.doc,27648,2012-07-19
REG52.H,2565,2012-07-17

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