本人以前未接触过关于串口通信之类的程序开发，对于串口技术知之甚少，现在亟需了解PC机读取串口数据的程序过程，恳请各位高手给予支持，必有酬谢。联系电话：13940978735

'先放一个sp1控件
        sp1.ReadTimeout = 100
        sp1.WriteTimeout = 100
        sp1.BaudRate = 9600
        sp1.DataBits = 8
        sp1.StopBits = IO.Ports.StopBits.One
        sp1.Parity = IO.Ports.Parity.None
        sp1.ReceivedBytesThreshold = 16
        sp1.PortName = "com1"  ’指定com1
        sp1.Open()              ’打开 com1