// the default Colormap
uint8_t colorMap[] = { 0x00, 0x00, 0x00,
                       0x19, 0x10, 0x28,
                       0x46, 0xaf, 0x45, 
                       0xa1, 0xd6, 0x85,
                       0x45, 0x3e, 0x78,
                       0x76, 0x64, 0xfe,
                       0x83, 0x31, 0x29,
                       0x9e, 0xc2, 0xe8,
                       0xdc, 0x53, 0x4b,
                       0xe1, 0x8d, 0x79,
                       0xd6, 0xb9, 0x7b,
                       0xe9, 0xd8, 0xa1,
                       0x21, 0x6c, 0x4b,
                       0xd3, 0x65, 0xc8,
                       0xaf, 0xaa, 0xb9,
                       0xf5, 0xf4, 0xeb };

uint8_t brightness = 64;

uint8_t eye_blink[][8] = { 
                      { B00111100,
                        B01000010,
                        B10000001,
                        B10001101,
                        B10001101,
                        B10000001,
                        B01000010,
                        B00111100 },

                      { B00111100,
                        B01111110,
                        B10000001,
                        B10001101,
                        B10001101,
                        B10000001,
                        B01111110,
                        B00111100 },
                      
                      { B00000000,
                        B00111100,
                        B01111110,
                        B10000001,
                        B10000001,
                        B01111110,
                        B00111100,
                        B00000000 },
                              
                      { B00000000,
                        B00000000,
                        B01111110,
                        B11111111,
                        B11111111,
                        B01111110,
                        B00000000,
                        B00000000 },
                              
                      { B00000000,
                        B00000000,
                        B00000000,
                        B11111111,
                        B11111111,
                        B00000000,
                        B00000000,
                        B00000000 } };