Photoresitance capteur code

const int seuil=2000;

void setup() {
  // put your setup code here, to run once:
Serial.begin(9600);
pinMode(9, OUTPUT);
pinMode(7, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
digitalWrite(9, HIGH);
delay(1000);                   //DELAI AVANT DEBUT
int x;
x = analogRead(A0);
 if (x>seuil) {
  digitalWrite(7, HIGH); // allume le moteur
 }
 else {
  digitalWrite(7, LOW); // éteint le moteur
 }
 Serial.println(x);
 delay(10);
}



// pin 9 = led
//pin 7 = moteur on/off (transsitor)