void TestCharacterDisplay()
        {
            Console.WriteLine("TestCharacterDisplay...");

            int count = 0;

            display.WriteLine("CharacterDisplay", 0);

            while (true)
            {
                // Increasing Contrast
                for (int i = 0; i <= 10; i++)
                {
                    display.SetContrast((float)(i / 10f));
                    Thread.Sleep(250);
                }

                // Decreasing Contrast
                for (int i = 10; i >= 0; i--)
                {
                    display.SetContrast((float)(i / 10f));
                    Thread.Sleep(250);
                }

                display.WriteLine($"Count is : {count++}", 1);
                Thread.Sleep(1000);
            }
        }