PIR motion Detection Anti Theft Prevention - Amazing Best winning science Project

DIAGRAM

ARDUINO CODE

//MULTI PURPOSE VID instagram - harishchoudhary70

 int led = 13;                // the pin that the LED is atteched to

int sensor = 2;              // the pin that the sensor is atteched to

int state = LOW;             // by default, no motion detected

int val = 0;                 // variable to store the sensor status (value)

void setup() {

  pinMode(led, OUTPUT);      // initalize LED as an output

  pinMode(sensor, INPUT);    // initialize sensor as an input

  Serial.begin(9600);        // initialize serial

}

void loop(){

  val = digitalRead(sensor);   // read sensor value

  if (val == HIGH) {           // check if the sensor is HIGH

    digitalWrite(led, HIGH);   // turn LED ON

    delay(5000);                // delay 100 milliseconds 

    

    if (state == LOW) {

      Serial.println("Motion detected!"); 

      state = HIGH;       // update variable state to HIGH

    }

  } 

  else {

      digitalWrite(led, LOW); // turn LED OFF

      delay(100);             // delay 200 milliseconds 

      

      if (state == HIGH){

        Serial.println("Motion stopped!");

        state = LOW;       // update variable state to LOW

    }

  }

}