--- title: "有星星閃爍的聖誕樹 + Happy New Year 8X8 LED矩陣 (MAX 7219)" tags: hackpad --- > [點此觀看原始內容](https://openlabtaipei.hackpad.tw/TAfGAOl8Z58) 有星星閃爍的聖誕樹 \+ Happy New Year 8X8 LED矩陣 (MAX 7219) 小程式，可以顯示有星星閃爍的聖誕樹和 Happy New Year... 拿來應景一下了 跟貪食蛇一樣用這個 library [https://code.google.com/p/arudino-maxmatrix-library/](https://code.google.com/p/arudino-maxmatrix-library/) [https://www.youtube.com/watch?v=YhTBy7RoQ9k](https://www.youtube.com/watch?v=YhTBy7RoQ9k) ```clike include <MaxMatrix.h> include <avr/pgmspace.h> int data = 5; int load = 3; int clock = 4; int maxInUse = 1; //change this variable to set how many MAX7219's you'll use MaxMatrix m(data, load, clock, maxInUse); void setup() { m.init(); } void loop() { m.clear(); drawStar(); drawTree(); delay(300); } void drawStar() { m.setIntensity(15); m.setDot(1, 1, HIGH); m.setDot(0, 2, HIGH); m.setDot(4, 0, HIGH); m.setDot(0, 7, HIGH); } void drawTree() { m.setIntensity(1); byte CH_A[] = { 8, 8, B00100000, B01110000, B11111000, B01110000, B11111000, B11111100, B00100000, B00100000, }; m.writeSprite(0, 0, CH_A); } ``` 新年快樂 ```clike include <MaxMatrix.h> include <avr/pgmspace.h> PROGMEM prog_uchar CH[] = { 8, 8, B0000000, B0000000, B0000000, B0000000, B0000000, // space 1, 8, B1011111, B0000000, B0000000, B0000000, B0000000, // ! 3, 8, B0000011, B0000000, B0000011, B0000000, B0000000, // " 5, 8, B0010100, B0111110, B0010100, B0111110, B0010100, // 4, 8, B0100100, B1101010, B0101011, B0010010, B0000000, // $ 5, 8, B1100011, B0010011, B0001000, B1100100, B1100011, // % 5, 8, B0110110, B1001001, B1010110, B0100000, B1010000, // & 1, 8, B0000011, B0000000, B0000000, B0000000, B0000000, // ' 3, 8, B0011100, B0100010, B1000001, B0000000, B0000000, // ( 3, 8, B1000001, B0100010, B0011100, B0000000, B0000000, // ) 5, 8, B0101000, B0011000, B0001110, B0011000, B0101000, // 5, 8, B0001000, B0001000, B0111110, B0001000, B0001000, // + 2, 8, B10110000, B1110000, B0000000, B0000000, B0000000, // , 4, 8, B0001000, B0001000, B0001000, B0001000, B0000000, // - 2, 8, B1100000, B1100000, B0000000, B0000000, B0000000, // . 4, 8, B1100000, B0011000, B0000110, B0000001, B0000000, // / 4, 8, B0111110, B1000001, B1000001, B0111110, B0000000, // 0 3, 8, B1000010, B1111111, B1000000, B0000000, B0000000, // 1 4, 8, B1100010, B1010001, B1001001, B1000110, B0000000, // 2 4, 8, B0100010, B1000001, B1001001, B0110110, B0000000, // 3 4, 8, B0011000, B0010100, B0010010, B1111111, B0000000, // 4 4, 8, B0100111, B1000101, B1000101, B0111001, B0000000, // 5 4, 8, B0111110, B1001001, B1001001, B0110000, B0000000, // 6 4, 8, B1100001, B0010001, B0001001, B0000111, B0000000, // 7 4, 8, B0110110, B1001001, B1001001, B0110110, B0000000, // 8 4, 8, B0000110, B1001001, B1001001, B0111110, B0000000, // 9 2, 8, B01010000, B0000000, B0000000, B0000000, B0000000, // : 2, 8, B10000000, B01010000, B0000000, B0000000, B0000000, // ; 3, 8, B0010000, B0101000, B1000100, B0000000, B0000000, // < 3, 8, B0010100, B0010100, B0010100, B0000000, B0000000, // = 3, 8, B1000100, B0101000, B0010000, B0000000, B0000000, // > 4, 8, B0000010, B1011001, B0001001, B0000110, B0000000, // ? 5, 8, B0111110, B1001001, B1010101, B1011101, B0001110, // @ 8, 8, B1111110, B0010001, B0010001, B1111110, B0000000, // A 4, 8, B1111111, B1001001, B1001001, B0110110, B0000000, // B 4, 8, B0111110, B1000001, B1000001, B0100010, B0000000, // C 4, 8, B1111111, B1000001, B1000001, B0111110, B0000000, // D 8, 8, B1111111, B1001001, B1001001, B1000001, B0000000, // E 4, 8, B1111111, B0001001, B0001001, B0000001, B0000000, // F 4, 8, B0111110, B1000001, B1001001, B1111010, B0000000, // G 8, 8, B1111111, B0001000, B0001000, B1111111, B0000000, // H 3, 8, B1000001, B1111111, B1000001, B0000000, B0000000, // I 4, 8, B0110000, B1000000, B1000001, B0111111, B0000000, // J 4, 8, B1111111, B0001000, B0010100, B1100011, B0000000, // K 4, 8, B1111111, B1000000, B1000000, B1000000, B0000000, // L 5, 8, B1111111, B0000010, B0001100, B0000010, B1111111, // M 8, 8, B1111111, B0000100, B0001000, B0010000, B1111111, // N 4, 8, B0111110, B1000001, B1000001, B0111110, B0000000, // O 8, 8, B1111111, B0001001, B0001001, B0000110, B0000000, // P 4, 8, B0111110, B1000001, B1000001, B10111110, B0000000, // Q 4, 8, B1111111, B0001001, B0001001, B1110110, B0000000, // R 8, 8, B1000110, B1001001, B1001001, B0110010, B0000000, // S 5, 8, B0000001, B0000001, B1111111, B0000001, B0000001, // T 4, 8, B0111111, B1000000, B1000000, B0111111, B0000000, // U 5, 8, B0001111, B0110000, B1000000, B0110000, B0001111, // V 5, 8, B0111111, B1000000, B0111000, B1000000, B0111111, // W 5, 8, B1100011, B0010100, B0001000, B0010100, B1100011, // X 8, 8, B0000111, B0001000, B1110000, B0001000, B0000111, // Y 4, 8, B1100001, B1010001, B1001001, B1000111, B0000000, // Z 2, 8, B1111111, B1000001, B0000000, B0000000, B0000000, // [ 4, 8, B0000001, B0000110, B0011000, B1100000, B0000000, // backslash 2, 8, B1000001, B1111111, B0000000, B0000000, B0000000, // ] 3, 8, B0000010, B0000001, B0000010, B0000000, B0000000, // hat 4, 8, B1000000, B1000000, B1000000, B1000000, B0000000, // _ 2, 8, B0000001, B0000010, B0000000, B0000000, B0000000, // ` 4, 8, B0100000, B1010100, B1010100, B1111000, B0000000, // a 4, 8, B1111111, B1000100, B1000100, B0111000, B0000000, // b 4, 8, B0111000, B1000100, B1000100, B0101000, B0000000, // c 4, 8, B0111000, B1000100, B1000100, B1111111, B0000000, // d 4, 8, B0111000, B1010100, B1010100, B0011000, B0000000, // e 3, 8, B0000100, B1111110, B0000101, B0000000, B0000000, // f 4, 8, B10011000, B10100100, B10100100, B01111000, B0000000, // g 4, 8, B1111111, B0000100, B0000100, B1111000, B0000000, // h 3, 8, B1000100, B1111101, B1000000, B0000000, B0000000, // i 4, 8, B1000000, B10000000, B10000100, B1111101, B0000000, // j 4, 8, B1111111, B0010000, B0101000, B1000100, B0000000, // k 3, 8, B1000001, B1111111, B1000000, B0000000, B0000000, // l 5, 8, B1111100, B0000100, B1111100, B0000100, B1111000, // m 4, 8, B1111100, B0000100, B0000100, B1111000, B0000000, // n 4, 8, B0111000, B1000100, B1000100, B0111000, B0000000, // o 4, 8, B11111100, B0100100, B0100100, B0011000, B0000000, // p 4, 8, B0011000, B0100100, B0100100, B11111100, B0000000, // q 4, 8, B1111100, B0001000, B0000100, B0000100, B0000000, // r 4, 8, B1001000, B1010100, B1010100, B0100100, B0000000, // s 3, 8, B0000100, B0111111, B1000100, B0000000, B0000000, // t 4, 8, B0111100, B1000000, B1000000, B1111100, B0000000, // u 5, 8, B0011100, B0100000, B1000000, B0100000, B0011100, // v 5, 8, B0111100, B1000000, B0111100, B1000000, B0111100, // w 5, 8, B1000100, B0101000, B0010000, B0101000, B1000100, // x 4, 8, B10011100, B10100000, B10100000, B1111100, B0000000, // y 3, 8, B1100100, B1010100, B1001100, B0000000, B0000000, // z 3, 8, B0001000, B0110110, B1000001, B0000000, B0000000, // { 1, 8, B1111111, B0000000, B0000000, B0000000, B0000000, // | 3, 8, B1000001, B0110110, B0001000, B0000000, B0000000, // } 4, 8, B0001000, B0000100, B0001000, B0000100, B0000000, // ~ }; int data = 5; int load = 3; int clock = 4; int maxInUse = 1; MaxMatrix m(data, load, clock, maxInUse); byte buffer[10]; void setup() { delay(3000); m.init(); fadeInMessage("HAPPYNEWYEAR "); } void loop() { drawArrow(); printStringWithShift("2015 ", 150); delay(200); } void drawArrow() { m.setIntensity(1); byte CH_A[] = { 16, 8, B00000000, B00000000, B00000000, B00000000, B00001000, B00011100, B00111110, B01111111, B00011100, B00011100, B00011100, B00011100, B00011100, B00011100, B00011100 }; m.writeSprite(0, 0, CH_A); } void fadeInMessage(char s) { for (int i = 0; i < strlen(s); i++) { printString(&s[i]); for (int i = 1; i <= 15 ; i++) { m.setIntensity(i); delay(40 - i 2); } } } void printString(char s) { int col = 0; while (s != 0) { if (s < 32) continue; char c = s - 32; memcpy_P(buffer, CH + 7 c, 7); m.writeSprite(col + 2, 0, buffer); m.setColumn(col + 2 + buffer[0], 0); col += buffer[0] + 1; s++; } } void printCharWithShift(char c, int shift_speed) { if (c < 32) return; c -= 32; memcpy_P(buffer, CH + 7 c, 7); m.writeSprite(32, 0, buffer); m.setColumn(32 + buffer[0], 0); for (int i = 0; i < buffer[0] + 1; i++) { delay(shift_speed); m.shiftLeft(false, false); } } void printStringWithShift(char s, int shift_speed) { while (s != 0) { printCharWithShift(s, shift_speed); s++; } }