VB serial communication with the microcontroller to achieve the task pc //Use pc with vb achieve single-chip serial communication tasks //Write program code Definition of variables Dim cnum As Integer loop count mark Dim choosenum As Integer Select Indicators Serial port initialization Add the following code in the form s Load event to initialize the serial port Private Sub Form_Load ()     MSComm1.CommPort = 1     MSComm1.InputMode = 1     MSComm1.RThreshold = 1     MSComm1.SThreshold = 1     MSComm1.Settings = "4800, n, 8,1"     MSComm1.PortOpen = Ture     choosenum = 1 End Sub

VB实现pc与单片机串口通信任务

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