ASCII to Base32

I have a arduino project that I am working on. I need the 10 characters changed from ASCII to Hex and Base32. I have the Hex working but I can not figure out how to convert to the Base32. Here is my code. I have been all overGoogle and I cannot find any clear answer. Any help or a point in the right direction would be great.

Code:

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    Private Sub Clear_Click(sender As Object, e As EventArgs) Handles Clear.Click
        txtbox.Text = ""
        arduino.Text = ""
        Auth.Text = ""
    End Sub

    Private Sub Ok_Click(sender As Object, e As EventArgs) Handles Ok.Click

        arduino.Text = "{" & String.Join(", ", txtbox.Text.Select(Function(c) String.Format("0x{0:X2}", Convert.ToInt32(c)))) & "}"

    End Sub

End Class

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I have updated my code to below but now I am getting this error.

Value of type 'String' cannot be converted to 'Byte()'. WindowsApplication2

Code:

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        Private Sub Ok_Click(sender As Object, e As EventArgs) Handles Ok.Click

        arduino.Text = "{" & String.Join(", ", txtbox.Text.Select(Function(c) String.Format("0x{0:X2}", Convert.ToInt32(c)))) & "}"

        Dim DataToEncode As Byte() = txtbox.Text

        Dim Base32 As String
        Base32 = DataToEncode.ToBase32String()
        Auth.Text = Base32
    End Sub

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Yes you can not place a string in a byte, nor can you assign a string directly to a byte array. You can turn a string into a byte array which is what you would need to do there.

Have a look at the GetBytes method of the Encoding class

Example

Code:

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sBytes = Encoding.Default.GetBytes(DataString)

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