int sensorPin = 13; // connect PIR sensor to digital pin 3
int ledPin = 9;    // connect LED to digital pin 4
int buzzerPin = 5; // connect buzzer to digital pin 5

void setup() {
  Serial.begin(9600);
  pinMode(sensorPin, INPUT); 
  pinMode(ledPin, OUTPUT);      // declare all pins as OUTPUT
  pinMode(buzzerPin, OUTPUT);  
  

  
}

void loop() {
  
  if(digitalRead(sensorPin) == HIGH)   // if the value of pulse from PIR sensor is HIGH then LED will glow and buzzer will ring
  {
    digitalWrite(ledPin, HIGH);
    digitalWrite(buzzerPin, HIGH);
    Serial.println("THERE IS SOME MOTION IN FRONT OF SENSOR");
  }
  else                                 
  {
    digitalWrite(ledPin, LOW);                     // if the value of pulse from PIR sensor is LOW then LED will not glow and buzzer
    digitalWrite(buzzerPin, LOW);                  // will not ring!
    Serial.println("THERE IS NO MOTION IN FRONT OF SENSOR");
  }
}