boolean num [10][7] = {1,1,1,1,1,1,0,
                       0,1,1,0,0,0,0,
                       1,1,0,1,1,0,1,
                       1,1,1,1,0,0,1,
                       0,1,1,0,0,1,1,
                       1,0,1,1,0,1,1,
                       1,0,1,1,1,1,1,
                       1,1,1,0,0,1,0,
                       1,1,1,1,1,1,1,
                       1,1,1,1,0,1,1  };
unsigned long period = 100; //ระยะเวลาที่ต้องการรอ
unsigned long last_time = 0; //ประกาศตัวแปรเป็น global เพื่อเก็บค่าไว้ไม่ให้ reset จากการวนloop
void setup()
{
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  pinMode(9, OUTPUT);
  pinMode(10, OUTPUT);
  pinMode(11, OUTPUT);
  pinMode(12, OUTPUT);
  pinMode(13, OUTPUT);
 digitalWrite(9, HIGH);

  
}
int x =0;
void loop()
{  
    show_num(x);
     if( millis() - last_time > period) {
     last_time = millis();
    x ++ ;
    }
}
void show_num(int a){
  digitalWrite(10, HIGH);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  int n4 = a /  1000 ;
  for(int i = 2 ; i <= 8 ; i ++){
    digitalWrite(i, !num [n4][i-2]);
  }
  delay(5);
  for(int i = 2; i<=8; i++){     //เคลีย
     digitalWrite(i,!LOW);
    }
  digitalWrite(10, LOW);
  digitalWrite(11, HIGH);
  digitalWrite(12, LOW);
  digitalWrite(13, LOW);
  int n3 = (a-(n4*1000))/100 ;
  for(int i = 2 ; i <= 8 ; i ++){
    digitalWrite(i, !num [n3][i-2]);
  }
  delay(5);
  for(int i = 2; i<=8; i++){     //เคลีย
     digitalWrite(i,!LOW);
    }
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, HIGH);
  digitalWrite(13, LOW);
  int n2 = ((a-(n4*1000))-n3*100)/10 ;
  for(int i = 2 ; i <= 8 ; i ++){
    digitalWrite(i, !num [n2][i-2]);
  }
  delay(5);
  for(int i = 2; i<=8; i++){     //เคลีย
     digitalWrite(i,!LOW);
    }
  digitalWrite(10, LOW);
  digitalWrite(11, LOW);
  digitalWrite(12, LOW);
  digitalWrite(13, HIGH);
  int n1 = (((a-(n4*1000))-n3*100)-n2*10) ;
  for(int i = 2 ; i <= 8 ; i ++){
    digitalWrite(i, !num [n1][i-2]);
  }
  delay(5);

   for(int i = 2 ; i <= 8 ; i ++){
    digitalWrite(i, !LOW);
  }
  delay(5);
}