public RFIDDisplay(LCDDisplay lcdDisplay)
        {
            // Get a copy of the LCD they set up
            ourLcdDisplay = lcdDisplay;

            // Is the LCD set up?
            if (ourLcdDisplay == null)
            {
                // No, throw an exception
                throw new NotSupportedException("The LCD object may not be NULL.");
            }

            // Clear the display when we first start
            ourLcdDisplay.clearDisplay();
        }