摘要： 1：串口初始化 com = new SerialPort("COM3", 9600, Parity.Even, 7, StopBits.One);2：打开关闭串口if (com.IsOpen){com.Close();}com.Open();if (com.IsOpen){ com.Close();} 3：C# ASCII转字符及字符转ASCIIpublic static string Chr(i... 阅读全文