안녕하세요^^ 질문은 후기 게시판이 아닌 기술상담 및 제품 문의 게시판에 올려주시면 더 빠른 답변을 기대하실 수 있습니다. 답변이 늦어져서 죄송합니다.

아두이노 pin8 to DIN on 8x8 LED Matrix
아두이노 pin9 to CS of 8x8 LED Matrix
아두이노 pin10 to CLK of 8x8 LED Matrix
아두이노 5V to VCC of 8x8 LED Matrix
아두이노 GND to GND of 8x8 LED Matrix

unsigned char i;
unsigned char j;
/*Port Definitions*/
int Max7219_pinCLK = 10;
int Max7219_pinCS = 9;
int Max7219_pinDIN = 8;

unsigned char disp1[38][8]={
{0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//0
{0x10,0x18,0x14,0x10,0x10,0x10,0x10,0x10},//1
{0x7E,0x2,0x2,0x7E,0x40,0x40,0x40,0x7E},//2
{0x3E,0x2,0x2,0x3E,0x2,0x2,0x3E,0x0},//3
{0x8,0x18,0x28,0x48,0xFE,0x8,0x8,0x8},//4
{0x3C,0x20,0x20,0x3C,0x4,0x4,0x3C,0x0},//5
{0x3C,0x20,0x20,0x3C,0x24,0x24,0x3C,0x0},//6
{0x3E,0x22,0x4,0x8,0x8,0x8,0x8,0x8},//7
{0x0,0x3E,0x22,0x22,0x3E,0x22,0x22,0x3E},//8
{0x3E,0x22,0x22,0x3E,0x2,0x2,0x2,0x3E},//9
{0x8,0x14,0x22,0x3E,0x22,0x22,0x22,0x22},//A
{0x3C,0x22,0x22,0x3E,0x22,0x22,0x3C,0x0},//B
{0x3C,0x40,0x40,0x40,0x40,0x40,0x3C,0x0},//C
{0x7C,0x42,0x42,0x42,0x42,0x42,0x7C,0x0},//D
{0x7C,0x40,0x40,0x7C,0x40,0x40,0x40,0x7C},//E
{0x7C,0x40,0x40,0x7C,0x40,0x40,0x40,0x40},//F
{0x3C,0x40,0x40,0x40,0x40,0x44,0x44,0x3C},//G
{0x44,0x44,0x44,0x7C,0x44,0x44,0x44,0x44},//H
{0x7C,0x10,0x10,0x10,0x10,0x10,0x10,0x7C},//I
{0x3C,0x8,0x8,0x8,0x8,0x8,0x48,0x30},//J
{0x0,0x24,0x28,0x30,0x20,0x30,0x28,0x24},//K
{0x40,0x40,0x40,0x40,0x40,0x40,0x40,0x7C},//L
{0x81,0xC3,0xA5,0x99,0x81,0x81,0x81,0x81},//M
{0x0,0x42,0x62,0x52,0x4A,0x46,0x42,0x0},//N
{0x3C,0x42,0x42,0x42,0x42,0x42,0x42,0x3C},//O
{0x3C,0x22,0x22,0x22,0x3C,0x20,0x20,0x20},//P
{0x1C,0x22,0x22,0x22,0x22,0x26,0x22,0x1D},//Q
{0x3C,0x22,0x22,0x22,0x3C,0x24,0x22,0x21},//R
{0x0,0x1E,0x20,0x20,0x3E,0x2,0x2,0x3C},//S
{0x0,0x3E,0x8,0x8,0x8,0x8,0x8,0x8},//T
{0x42,0x42,0x42,0x42,0x42,0x42,0x22,0x1C},//U
{0x42,0x42,0x42,0x42,0x42,0x42,0x24,0x18},//V
{0x0,0x49,0x49,0x49,0x49,0x2A,0x1C,0x0},//W
{0x0,0x41,0x22,0x14,0x8,0x14,0x22,0x41},//X
{0x41,0x22,0x14,0x8,0x8,0x8,0x8,0x8},//Y
{0x0,0x7F,0x2,0x4,0x8,0x10,0x20,0x7F},//Z
};



void Write_Max7219_byte(unsigned char DATA)
{
unsigned char i;
digitalWrite(Max7219_pinCS,LOW);
for(i=8;i>=1;i--)
{
digitalWrite(Max7219_pinCLK,LOW);
digitalWrite(Max7219_pinDIN,DATA&0x80);// Extracting a bit data
DATA = DATA<<1;
digitalWrite(Max7219_pinCLK,HIGH);
}
}


void Write_Max7219(unsigned char address,unsigned char dat)
{
digitalWrite(Max7219_pinCS,LOW);
Write_Max7219_byte(address); //address，code of LED
Write_Max7219_byte(dat); //data，figure on LED
digitalWrite(Max7219_pinCS,HIGH);
}

void Init_MAX7219(void)
{
Write_Max7219(0x09, 0x00); //decoding ：BCD
Write_Max7219(0x0a, 0x03); //brightness
Write_Max7219(0x0b, 0x07); //scanlimit；8 LEDs
Write_Max7219(0x0c, 0x01); //power-down mode：0，normal mode：1
Write_Max7219(0x0f, 0x00); //test display：1；EOT，display：0
}



void setup()
{

pinMode(Max7219_pinCLK,OUTPUT);
pinMode(Max7219_pinCS,OUTPUT);
pinMode(Max7219_pinDIN,OUTPUT);
delay(50);
Init_MAX7219();
}


void loop()
{
for(j=0;j<38;j++)
{
for(i=1;i<9;i++)
Write_Max7219(i,disp1[j][i-1]);
delay(500);
}
}


출처:
http://linksprite.com/wiki/index.php5?title=LED_Matrix_Kit