用C#做的串口通信程序，测试一通过，可以双击通信，也可以和下位机通信！-To do with C# serial communication program, the test was passed, you can double-click Communications, and the next crew can communicate!

C#.NET串口通信+ PC与PC串口通信+ 08 利用MSComm控件实现PC机双串口互通信( 查询方式)

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