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RS232_DO

于 2008-03-11 发布 文件大小:2867KB
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代码说明:

  串行端口的数字输出控制,本程序使用两个按钮使得用户通过按钮控制DTR和RTS的引脚电压。(Serial port of the digital output control, the program allows users to use two buttons through the button control DTR and RTS pin voltage.)

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