int firstSensor = 22; 
int firstState = 0;
int secondSensor = 23; 
int secondState = 0;
int thirdSensor = 24; 
int thirdState = 0;
int fourthSensor = 25; 
int fourthState = 0;
int fifthSensor = 26; 
int fifthState = 0;
int sixthSensor = 27; 
int sixthState = 0;
int seventhSensor = 28; 
int seventhState = 0;
int eighthSensor = 29; 
int eighthState = 0;
int tab[8];

void setup() {     // Cette setup permet de définir la vitesse de communication des deux ports série, soit un 9600 BAUD. 
  // Elle permet également de mettre tous les pins utilisés par le programme en sortie
  pinMode(firstSensor, INPUT);
  pinMode(secondSensor, INPUT);
  pinMode(thirdSensor, INPUT);
  pinMode(fourthSensor, INPUT);
  pinMode(fifthSensor, INPUT);
  pinMode(sixthSensor, INPUT);
  pinMode(seventhSensor, INPUT);
  pinMode(eighthSensor, INPUT);
  Serial.begin(9600);
  Serial1.begin(9600);
}

void loop() {    //Cette boucle lit les valeurs des 8 capteurs, les met dans un tableau puis envoie chaque case du tableau par la liaison série.
  int envoi = 0;
  firstState = digitalRead(firstSensor);
  secondState = digitalRead(secondSensor);
  thirdState = digitalRead(thirdSensor);
  fourthState = digitalRead(fourthSensor);
  fifthState = digitalRead(fifthSensor);
  sixthState = digitalRead(sixthSensor);
  seventhState = digitalRead(seventhSensor);
  eighthState = digitalRead(eighthSensor);
  if((firstState != tab[0]) || (secondState != tab[1]) || (thirdState != tab[2]) || (fourthState != tab[3]) || (fifthState != tab[4]) || (sixthState != tab[5]) || (seventhState != tab[6]) || (eighthState != tab[7])){
    tab[0]=firstState;
    tab[1]=secondState;
    tab[2]=thirdState;
    tab[3]=fourthState;
    tab[4]=fifthState;
    tab[5]=sixthState;
    tab[6]=seventhState;
    tab[7]=eighthState;
   if(firstState==1)
  {
   envoi=envoi+1;
  }
  if(secondState==1)
  {
   envoi=envoi+10;
  }
  if(thirdState==1)
  {
   envoi=envoi+100;
  }
  if(fourthState==1)
  {
   envoi=envoi+1000;
  }
  if(fifthState==1)
  {
   envoi=envoi+10000;
  }
  if(sixthState==1)
  {
   envoi=envoi+100000;
  }
  if(seventhState==1)
  {
   envoi=envoi+1000000;
  }
  if(eighthState==1)
  {
   envoi=envoi+10000000;
  }

Serial1.print((char)envoi);
Serial.print(envoi);
  }
}