char bin_numb[] = "100110011001100110011001";

int serial = 13;
int sKlock = 12;
int sClear = 11;
int lKlock = 10;
int OE = 9;

void setup() {
  pinMode(13, OUTPUT); //SERiAL
  pinMode(12, OUTPUT); //Serial Klock
  pinMode(11, OUTPUT); //SERiAL Töm
  pinMode(10, OUTPUT); //Reg Klock
  pinMode(9 , OUTPUT); //OE


  digitalWrite(sClear, 0);

  digitalWrite(serial, 0);
  digitalWrite(sKlock, 0);
  digitalWrite(sClear, 1);
  digitalWrite(lKlock, 0);
}

void outputNums(){


  for(int hour1 = 0b0000; hour1 <= 0b0010; hour1++){
    for(int hour2 = 0b0000; hour2 <= 0b1001; hour2++){
      for(int min1 = 0b0000; min1 <= 0b0101; min1++)  {
        for(int min2 = 0b0000; min2 <= 0b1001; min2++)  {
          for(int sec1 = 0b0000; sec1 <= 0b0101; sec1++)  {
            for(int sec2 = 0b0000; sec2 <= 0b1001; sec2++)  {
              //Seconds
              byte bin1 = sec1;
              byte bin2 = sec2;
              bin1 = random(10);
              bin2 = random(10);
              shiftOut(13, 12, MSBFIRST, ((bin2<<4)+bin1));

              //Minutes
              bin1 = min1;
              bin2 = min2;
              bin1 = random(10);
              bin2 = random(10);
              shiftOut(13, 12, MSBFIRST, ((bin2<<4)+bin1));

              //Hours
              bin1 = hour1;
              bin2 = hour2;
              bin1 = random(10);
              bin2 = random(10);
              shiftOut(13, 12, MSBFIRST, ((bin2<<4)+bin1));

              digitalWrite(OE, 1);
              digitalWrite(lKlock, 1);
              delay(1);
              digitalWrite(lKlock, 0);
              digitalWrite(OE, 0);

              delay(300);
            }
          }
        }
      }
    }
  }
}

void loop() {

}