// defining the alphabet const unsigned char font[95][5] = { { 0x00,0x00,0x00,0x00,0x00 } , // 0x20 32 { 0x00,0x00,0x6f,0x00,0x00 } , // ! 0x21 33 { 0x00,0x07,0x00,0x07,0x00 } , // " 0x22 34 { 0x14,0x7f,0x14,0x7f,0x14 } , // # 0x23 35 { 0x00,0x07,0x04,0x1e,0x00 } , // $ 0x24 36 { 0x23,0x13,0x08,0x64,0x62 } , // % 0x25 37 { 0x36,0x49,0x56,0x20,0x50 } , // & 0x26 38 { 0x00,0x00,0x07,0x00,0x00 } , // ' 0x27 39 { 0x00,0x1c,0x22,0x41,0x00 } , // ( 0x28 40 { 0x00,0x41,0x22,0x1c,0x00 } , // ) 0x29 41 { 0x14,0x08,0x3e,0x08,0x14 } , // * 0x2a 42 { 0x08,0x08,0x3e,0x08,0x08 } , // + 0x2b 43 { 0x00,0x50,0x30,0x00,0x00 } , // , 0x2c 44 { 0x08,0x08,0x08,0x08,0x08 } , // - 0x2d 45 { 0x00,0x60,0x60,0x00,0x00 } , // . 0x2e 46 { 0x20,0x10,0x08,0x04,0x02 } , // / 0x2f 47 { 0x3e,0x51,0x49,0x45,0x3e } , // 0 0x30 48 { 0x00,0x42,0x7f,0x40,0x00 } , // 1 0x31 49 { 0x42,0x61,0x51,0x49,0x46 } , // 2 0x32 50 { 0x21,0x41,0x45,0x4b,0x31 } , // 3 0x33 51 { 0x18,0x14,0x12,0x7f,0x10 } , // 4 0x34 52 { 0x27,0x45,0x45,0x45,0x39 } , // 5 0x35 53 { 0x3c,0x4a,0x49,0x49,0x30 } , // 6 0x36 54 { 0x01,0x71,0x09,0x05,0x03 } , // 7 0x37 55 { 0x36,0x49,0x49,0x49,0x36 } , // 8 0x38 56 { 0x06,0x49,0x49,0x29,0x1e } , // 9 0x39 57 { 0x00,0x36,0x36,0x00,0x00 } , // : 0x3a 58 { 0x00,0x56,0x36,0x00,0x00 } , // ; 0x3b 59 { 0x08,0x14,0x22,0x41,0x00 } , // < 0x3c 60 { 0x14,0x14,0x14,0x14,0x14 } , // = 0x3d 61 { 0x00,0x41,0x22,0x14,0x08 } , // > 0x3e 62 { 0x02,0x01,0x51,0x09,0x06 } , // ? 0x3f 63 { 0x3e,0x41,0x5d,0x49,0x4e } , // @ 0x40 64 { 0x7e,0x09,0x09,0x09,0x7e } , // A 0x41 65 { 0x7f,0x49,0x49,0x49,0x36 } , // B 0x42 66 { 0x3e,0x41,0x41,0x41,0x22 } , // C 0x43 67 { 0x7f,0x41,0x41,0x41,0x3e } , // D 0x44 68 { 0x7f,0x49,0x49,0x49,0x41 } , // E 0x45 69 { 0x7f,0x09,0x09,0x09,0x01 } , // F 0x46 70 { 0x3e,0x41,0x49,0x49,0x7a } , // G 0x47 71 { 0x7f,0x08,0x08,0x08,0x7f } , // H 0x48 72 { 0x00,0x41,0x7f,0x41,0x00 } , // I 0x49 73 { 0x20,0x40,0x41,0x3f,0x01 } , // J 0x4a 74 { 0x7f,0x08,0x14,0x22,0x41 } , // K 0x4b 75 { 0x7f,0x40,0x40,0x40,0x40 } , // L 0x4c 76 { 0x7f,0x02,0x0c,0x02,0x7f } , // M 0x4d 77 { 0x7f,0x04,0x08,0x10,0x7f } , // N 0x4e 78 { 0x3e,0x41,0x41,0x41,0x3e } , // O 0x4f 79 { 0x7f,0x09,0x09,0x09,0x06 } , // P 0x50 80 { 0x3e,0x41,0x51,0x21,0x5e } , // Q 0x51 81 { 0x7f,0x09,0x19,0x29,0x46 } , // R 0x52 82 { 0x46,0x49,0x49,0x49,0x31 } , // S 0x53 83 { 0x01,0x01,0x7f,0x01,0x01 } , // T 0x54 84 { 0x3f,0x40,0x40,0x40,0x3f } , // U 0x55 85 { 0x0f,0x30,0x40,0x30,0x0f } , // V 0x56 86 { 0x3f,0x40,0x30,0x40,0x3f } , // W 0x57 87 { 0x63,0x14,0x08,0x14,0x63 } , // X 0x58 88 { 0x07,0x08,0x70,0x08,0x07 } , // Y 0x59 89 { 0x61,0x51,0x49,0x45,0x43 } , // Z 0x5a 90 { 0x3c,0x4a,0x49,0x29,0x1e } , // [ 0x5b 91 { 0x02,0x04,0x08,0x10,0x20 } , // \ 0x5c 92 { 0x00,0x41,0x7f,0x00,0x00 } , // ] 0x5d 93 { 0x04,0x02,0x01,0x02,0x04 } , // ^ 0x5e 94 { 0x40,0x40,0x40,0x40,0x40 } , // _ 0x5f 95 { 0x00,0x00,0x03,0x04,0x00 } , // ` 0x60 96 { 0x20,0x54,0x54,0x54,0x78 } , // a 0x61 97 { 0x7f,0x48,0x44,0x44,0x38 } , // b 0x62 98 { 0x38,0x44,0x44,0x44,0x20 } , // c 0x63 99 { 0x38,0x44,0x44,0x48,0x7f } , // d 0x64 100 { 0x38,0x54,0x54,0x54,0x18 } , // e 0x65 101 { 0x08,0x7e,0x09,0x01,0x02 } , // f 0x66 102 { 0x0c,0x52,0x52,0x52,0x3e } , // g 0x67 103 { 0x7f,0x08,0x04,0x04,0x78 } , // h 0x68 104 { 0x00,0x44,0x7d,0x40,0x00 } , // i 0x69 105 { 0x20,0x40,0x44,0x3d,0x00 } , // j 0x6a 106 { 0x00,0x7f,0x10,0x28,0x44 } , // k 0x6b 107 { 0x00,0x41,0x7f,0x40,0x00 } , // l 0x6c 108 { 0x7c,0x04,0x18,0x04,0x78 } , // m 0x6d 109 { 0x7c,0x08,0x04,0x04,0x78 } , // n 0x6e 110 { 0x38,0x44,0x44,0x44,0x38 } , // o 0x6f 111 { 0x7c,0x14,0x14,0x14,0x08 } , // p 0x70 112 { 0x08,0x14,0x14,0x18,0x7c } , // q 0x71 113 { 0x7c,0x08,0x04,0x04,0x08 } , // r 0x72 114 { 0x48,0x54,0x54,0x54,0x20 } , // s 0x73 115 { 0x04,0x3f,0x44,0x40,0x20 } , // t 0x74 116 { 0x3c,0x40,0x40,0x20,0x7c } , // u 0x75 117 { 0x1c,0x20,0x40,0x20,0x1c } , // v 0x76 118 { 0x3c,0x40,0x30,0x40,0x3c } , // w 0x77 119 { 0x44,0x28,0x10,0x28,0x44 } , // x 0x78 120 { 0x0c,0x50,0x50,0x50,0x3c } , // y 0x79 121 { 0x44,0x64,0x54,0x4c,0x44 } , // z 0x7a 122 { 0x00,0x08,0x36,0x41,0x41 } , // { 0x7b 123 { 0x00,0x00,0x7f,0x00,0x00 } , // | 0x7c 124 { 0x41,0x41,0x36,0x08,0x00 } , // } 0x7d 125 { 0x04,0x02,0x04,0x08,0x04 } , // ~ 0x7e 126 }; /* The LEDs on AltSense's POV shield are arranged in the following order starting from top... {11,12,13,14,15,19,18,17,16,8,1,0,2,3,10,9,7,6,5,4} */ // only first 7 LEDs are used for Hello World const int LEDpins[] = { 11,12,13,14,15,19,18 }; // number of LEDs const int charHeight = sizeof(LEDpins); const int charWidth = 5; int columnDelay = 600; int letterDelay = 1500; void setup() { for (int i = 0; i < 20; i++) pinMode(i, OUTPUT); } void loop() { const char textString[] = "Robotics Lab"; for (int k=0; k 126) { ch = 32; } // subtract the space character (converts the ASCII number to the font index number) ch -= 32; // step through each byte of the character array for (int i = 0; i < charWidth; i++) { byte b = font[ch][i]; // bit shift through the byte and output it to the pin for (int j = 0; j < charHeight; j++) { digitalWrite(LEDpins[j], !!(b & (1 << j))); } // space between columns delayMicroseconds(columnDelay); } //clear the LEDs digitalWrite(11 , LOW); // set the LED on digitalWrite(12 , LOW); // set the LED on digitalWrite(13 , LOW); // set the LED on digitalWrite(14 , LOW); // set the LED on digitalWrite(15 , LOW); // set the LED on digitalWrite(19 , LOW); // set the LED on digitalWrite(18 , LOW); // set the LED on // space between letters delayMicroseconds(letterDelay); }