Mine
public text v1 · immutablePrivate Sub cmdSend_Click()
Dim Buffer As String
COM2.Output = Chr$(34) & txtTestText.Text & Chr$(34) & Chr$(13)
Do
DoEvents
Buffer = Buffer & COM2.Input
Loop Until InStr(Buffer, "OK" & vbCrLf)
COM2.PortOpen = False
cmdOpenCOM2.Enabled = True
End Sub
Private Sub cmdOpenCOM2_Click()
COM2.CommPort = 2
COM2.Settings = "9600,N,8,1"
COM2.PortOpen = True
cmdOpenCOM2.Enabled = False
End Sub