#include <LedControl.h>

int DIN = 12; 
int CS =  11;
int CLK = 10;

LedControl lc = LedControl(DIN, CLK, CS, 0);

void setup() {
  lc.shutdown(0,false);       //The MAX72XX is in power-saving mode on startup
  lc.setIntensity(0,15);       // Set the brightness to maximum value
  lc.clearDisplay(0);          // and clear the display
}

void loop() {
  byte a[8] = {0x66, 0xFF, 0xFF, 0xFF, 0xFF, 0x7E, 0x3C, 0x18};
  printByte(a);
  delay(1000);
}

void printByte(byte character []) {
  int i = 0;

  for(i=0;i<8;i++)
  {
    lc.setRow(0,i,character[i]);
  }
}