void setup() {
  pinMode(2, OUTPUT);
  pinMode(3, OUTPUT);
  pinMode(4, OUTPUT);
  pinMode(5, OUTPUT);
  pinMode(6, OUTPUT);
  pinMode(7, OUTPUT);
  pinMode(8, OUTPUT);
  }
  //Arduino uno commande l'afficheur 7 segments
  void loop() {
    digitalWrite(2, LOW); //LED A =1
    digitalWrite(3, LOW); //LED B =1
    digitalWrite(4, LOW); //LED C =1
    digitalWrite(5, LOW); //LED D =1
    digitalWrite(6, LOW); //LED E=1
    digitalWrite(7, LOW); //LED F=1
    digitalWrite(8, HIGH); //LED G=0
    //afficher 0
    delay(1000);
    digitalWrite(2, HIGH); //LED A=0
    digitalWrite(3, LOW); //LED B=1
    digitalWrite(4, LOW); //LED C =1
    digitalWrite(5, HIGH); //LED D =0
    digitalWrite(6, HIGH); //LED E=0
    digitalWrite(7, HIGH); //LED F =0
    digitalWrite(8, HIGH); //LDE G=0
    //afficher 1
    delay(1000);
    digitalWrite(2, LOW); //LED A =1
    digitalWrite(3, LOW); //LED B=1
    digitalWrite(4, HIGH); //LED C=0
    digitalWrite(5, LOW); //LED D =1
    digitalWrite(6, LOW); //LED E=1
    digitalWrite(7, HIGH); //LED F=0
    digitalWrite(8, LOW); //LED G=1
    //afficher 2
    delay(1000);
    digitalWrite(2, LOW); //LED A =1
    digitalWrite(3, LOW); //LED B=1
    digitalWrite(4, LOW); //LED C=1
    digitalWrite(5, LOW); //LED D=1
    digitalWrite(6, HIGH); //LED E=0
    digitalWrite(7, HIGH); //LED F=0
    digitalWrite(8, LOW); //LED G=1
    //afficher 3
    delay(1000);
    digitalWrite(2, HIGH); //LED A=0
    digitalWrite(3, LOW); //LED B=1
    digitalWrite(4, LOW); //LED C =1
    digitalWrite(5, HIGH); //LED D=0
    digitalWrite(6, HIGH); //LED E=0
    digitalWrite(7, LOW); //LED F=1
    digitalWrite(8, LOW); //LED G=1
    //afficher 4
    delay(1000);
    digitalWrite(2, LOW); //LED A=1
    digitalWrite(3, HIGH); //LED B=0
    digitalWrite(4, LOW); //LED C=1
    digitalWrite(5, LOW); //LED D=1
    digitalWrite(6, HIGH); //LED E=0
    digitalWrite(7, LOW); //LED F=1
    digitalWrite(8, LOW); //LED G=1
    //afficher 5
    delay(1000);
    digitalWrite(2, LOW); //LED A=1
    digitalWrite(3, HIGH); //LED B=0
    digitalWrite(4, LOW); //LED C =1
    digitalWrite(5, LOW); //LED D =1
    digitalWrite(6, LOW); //LED E=1
    digitalWrite(7, LOW); //LED F=1
    digitalWrite(8, LOW); //LED G=1
    //afficher 6
    delay(1000);
    digitalWrite(2, LOW); //LED A=1
    digitalWrite(3, LOW); //LED B =1
    digitalWrite(4, LOW); //LED C =1
    digitalWrite(5, HIGH); //LED D =0
    digitalWrite(6, HIGH); //LED E=0
    digitalWrite(7, HIGH); //LED F=0
    digitalWrite(8, HIGH); //LED G=0
    //afficher 7
    delay(1000);
    digitalWrite(2, LOW); //LED A=1
    digitalWrite(3, LOW); //LED B=1
    digitalWrite(4, LOW); //LED C=1
    digitalWrite(5, LOW); //LED D=1
    digitalWrite(6, LOW); //LED E=1
    digitalWrite(7, LOW); //LED F=1
    digitalWrite(8, LOW); //LED G=1
    //afficher 8
    delay(1000);
    digitalWrite(2, LOW); //LED A=1
    digitalWrite(3, LOW); //LED B=1
    digitalWrite(4, LOW); //LED C=1
    digitalWrite(5, LOW); //LED D=1
    digitalWrite(6, HIGH); //LED E=0
    digitalWrite(7, LOW); //LED F=1
    digitalWrite(8, LOW); //LED G=1
    //afficher 9
    delay(1000);
  }