static SerialPort mySerialPort;
static void Main(String[] args)
mySerialPort = new SerialPort("COM3", 9600);
mySerialPort.DataReceived += new SerialDataReceivedEventHandler(mySerialPort_DataRecieved);
public static void mySerialPort_DataRecieved(object sender, SerialDataReceivedEventArgs e)
Console.Write(mySerialPort.ReadExisting());