摘要：using System; using System.Collections.Generic; using System.ComponentModel; using System.Data; using System.Drawing; using System.Text; using System.... 阅读全文

摘要：把串口的2、3短接 把串口的2、3短接 public partial class Form1 : Form { public Form1() { InitializeComponent(); } private void Form1_Load(object sender, Even... 阅读全文