Stuff
public text v1 · immutableTry
' Write a line to the serial port
Dim hexstr As String = ""
Dim s As String
Dim v As Int16 = 0
s = textBox1.Text
For Each c As Char In s
v = CShort(Format(c))
hexstr = hexstr + v.ToString
Next
SerialPort1.WriteLine(hexstr)
textBox1.Text = ""
Catch ex As System.Exception
MessageBox.Show(ex.Message)
End Try
End Sub