Motion_Detector.ino

/*  
   Motion Detector using PIR Human Motion sensor
   
   This is an example sketch where you will determine if there's
   a motion on your surrounding with LED indicator. Motion Detected,
   LED is HIGH.
*/
 
int LED_INDICATOR = 13;
int PIR_SENSOR = 2;
int STATS = LOW;
int VALUE = 0;

void setup() {
  Serial.begin(9600);
  pinMode(LED_INDICATOR, OUTPUT);
  pinMode(PIR_SENSOR, INPUT);
}

void loop(){
  VALUE = digitalRead(PIR_SENSOR);
  if (VALUE == HIGH) {
    digitalWrite(LED_INDICATOR, HIGH);
    delay(100);
    
    if (STATS == LOW) {
      Serial.println("MOTION DETECTED! - HIGH"); 
      STATS = HIGH;
    }
  } 
  else {
      digitalWrite(LED_INDICATOR, LOW);
      delay(200);
      
      if (STATS == HIGH){
        Serial.println("MOTION STOPPED!");
        STATS = LOW;
    }
  }
}