c#控制台应用程序向液晶屏发送命令

using System;
using System.IO.Ports;

class Program
{
    static void Main(string[] args)
    {
        // 设置串口号和通信参数
        string portName = "COM1";
        int baudRate = 9600;
        Parity parity = Parity.None;
        int dataBits = 8;
        StopBits stopBits = StopBits.One;

        // 创建SerialPort对象
        SerialPort serialPort = new SerialPort(portName, baudRate, parity, dataBits, stopBits);

        try
        {
            // 打开串口
            serialPort.Open();

            // 发送命令
            string command = "your_command_here";
            serialPort.WriteLine(command);

            // 等待响应
            string response = serialPort.ReadLine();
            Console.WriteLine("Response: " + response);
        }
        catch (Exception ex)
        {
            Console.WriteLine("Error: " + ex.Message);
        }
        finally
        {
            // 关闭串口
            serialPort.Close();
        }
    }
}