const int blue = 12 ;
const int sensor = 19 ;

void setup() {
  pinMode(blue, OUTPUT);
  pinMode(sensor, INPUT);
  Serial.begin(9600);
}

void loop() {
  int status = digitalRead(sensor) ;
  if (status == 1){
    Serial.println("Motion detected");
    digitalWrite(blue,HIGH);
    delay(5000);
  }
  else {
    Serial.println("NO MOTION DETECTED");
    digitalWrite(blue, LOW);
  }
  delay(500);

}