int segments[] = {6,7,8,9,10,11,12};
int timer = 1000;



void clear(){
  for(int i = 0; i <= 6; i++){
  digitalWrite(segments[i],LOW);
  //delay(timer);
  }

}





void setup() {
  // put your setup code here, to run once:
  for (int i = 6; i <= 12; i ++ ){
    pinMode(i,OUTPUT);
  }
  //pinMode(segments,OUTPUT);

}

void loop() {
  // put your main code here, to run repeatedly:
  //display number 0
  digitalWrite(segments[0],HIGH);
  digitalWrite(segments[1],HIGH);
  digitalWrite(segments[3],HIGH);
  digitalWrite(segments[4],HIGH);
  digitalWrite(segments[2],HIGH);
  digitalWrite(segments[5],HIGH);
  delay(timer);
  clear();
  
  //display number 1
  digitalWrite(segments[1],HIGH);
  digitalWrite(segments[2],HIGH);
  delay(timer);
  clear();
  
  //display number 2
  digitalWrite(segments[0],HIGH);
  digitalWrite(segments[1],HIGH);
  digitalWrite(segments[3],HIGH);
  digitalWrite(segments[4],HIGH);
  digitalWrite(segments[6],HIGH);
  delay(timer);
  clear();
  
  //display number 3
  digitalWrite(segments[0],HIGH);
  digitalWrite(segments[1],HIGH);
  digitalWrite(segments[2],HIGH);
  digitalWrite(segments[3],HIGH);
  digitalWrite(segments[6],HIGH);
  delay(timer);
  clear();
  //display number 4
  digitalWrite(segments[1],HIGH);
  digitalWrite(segments[2],HIGH);
  digitalWrite(segments[5],HIGH);
  digitalWrite(segments[6],HIGH);
  delay(timer);
  clear();
  //display number 5
  digitalWrite(segments[0],HIGH);
  digitalWrite(segments[5],HIGH);
  digitalWrite(segments[2],HIGH);
  digitalWrite(segments[3],HIGH);
  digitalWrite(segments[6],HIGH);
  delay(timer);
  clear();
  //display number 6
  digitalWrite(segments[0],HIGH);
  digitalWrite(segments[6],HIGH);
  digitalWrite(segments[3],HIGH);
  digitalWrite(segments[4],HIGH);
  digitalWrite(segments[2],HIGH);
  digitalWrite(segments[5],HIGH);
  delay(timer);
  clear();
  //display number 7
  digitalWrite(segments[1],HIGH);
  digitalWrite(segments[2],HIGH);
  digitalWrite(segments[0],HIGH);
  delay(timer);
  clear();
  //display number 8
  digitalWrite(segments[0],HIGH);
  digitalWrite(segments[1],HIGH);
  digitalWrite(segments[6],HIGH);
  digitalWrite(segments[3],HIGH);
  digitalWrite(segments[4],HIGH);
  digitalWrite(segments[2],HIGH);
  digitalWrite(segments[5],HIGH);
  delay(timer);
  clear();
  //display number 9
   digitalWrite(segments[0],HIGH);
  digitalWrite(segments[1],HIGH);
  digitalWrite(segments[6],HIGH);
  digitalWrite(segments[3],HIGH);
  digitalWrite(segments[2],HIGH);
  digitalWrite(segments[5],HIGH);
  delay(timer);
  clear();



  




  

}