#define LED_PIN 4
#define PIR_PIN 3
int pirState = LOW;
int ledState = LOW;

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

void loop() {
  // put your main code here, to run repeatedly:
  pirState = digitalRead(PIR_PIN);
  if(pirState == HIGH) {
    ledState = HIGH;
    digitalWrite(LED_PIN, HIGH);
    Serial.println("Harakat Bor!");
    delay(1000);
  } else {
    ledState = LOW;
    digitalWrite(LED_PIN, LOW);
  }
}