| Code produit: | HC-SR505 | 
| Disponibilité: | Vérifier en magasin | 


The HC-SR505 is the little brother of the HC-SR501 which means it sure lacks some of the HC-SR501 functionality such as:
1- Single/Repeated triggering is not adjustable. The HC-SR505 triggering is repeatedly by default
2- The HC-SR501 range is around 7 meters while the HC-SR505 is around 3 - 4 meters
3- The delay between repeated triggering is not adjustable
Still, the HC-SR505 enjoy some features where it outbeats the older brother such as:
1- Size
2- Very low current consumption which is around 60 uAmps
3- As reliable as the older brother
//temps de calibration du capteur (10-60 secs selon la doc technique)
int calibrationTime = 15;
int ledPin = 13;                // pin pour la led
int pinCapteur = 7;               // pin pour la sortie du capteur
int pirState = LOW;             // nous considérons le début sans mouvement
int val = 0;                    // variable de lecture de pin
void setup() {
  pinMode(ledPin, OUTPUT);      
  pinMode(pinCapteur, INPUT);     
  Serial.begin(9600);
  Serial.print("Calibration du capteur ");
  for(int i = 0; i < calibrationTime; i++){
    Serial.print(".");
    delay(1000);
  }
}
void loop(){
  val = digitalRead(pinCapteur);  // lit la valeur du capteur
  Serial.println(val);
  if (val == HIGH) { // vérifie si il y a un mouvement
    digitalWrite(ledPin, HIGH);  // allumage de la led
    delay(150);
    if (pirState == LOW) {
      // we have just turned on
      Serial.println("Mouvement détecté!");
      //changement de l'état
      pirState = HIGH;
    }
  } else {
    digitalWrite(ledPin, LOW); // extinction de la led
    delay(300);
    if (pirState == HIGH){
      
      Serial.println("Fin du mouvement!");
      //changement de l'état
      pirState = LOW;
    }
  }
}