const int arret = 22;
const int ouverture = 2;
const int aut = 4;
#define RELAIS 23

int etatarret = 0;
int etatouverture = 0;
int etataut = 0;  
void setup() {
  // put your setup code here, to run once:
  pinMode(RELAIS,OUTPUT);
  pinMode(etataut, INPUT_PULLUP);
  pinMode(etatouverture, INPUT_PULLUP);  
  pinMode(etatarret, INPUT_PULLUP);  
}

void loop()
 {
  // put your main code here, to run repeatedly:
 etatouverture = digitalRead(ouverture);  
 etataut = digitalRead(etataut);
 etatarret = digitalRead(etatarret); 

  if (etataut == HIGH)
 {
   digitalWrite(RELAIS, HIGH);
   delay(5000);
   digitalWrite(RELAIS, LOW);

 }
  if (etatouverture == HIGH)
 {
   digitalWrite(RELAIS, HIGH);
   delay(5000);
   digitalWrite(RELAIS, LOW);

 }
 if (etatarret == HIGH)
 {
   digitalWrite(RELAIS, HIGH);
   delay(5000);
   digitalWrite(RELAIS, LOW);

 }
}