#include <Servo.h>

Servo myservo;
int irSensorPin = 2;
int servoPin = 9;
int sensorValue = 0;

void setup() {
  myservo.attach(servoPin);
  pinMode(irSensorPin, INPUT);
  myservo.write(0);  // Initial position of the servo (door closed)
  Serial.begin(9600);
}

void loop() {
  sensorValue = digitalRead(irSensorPin);
  Serial.println(sensorValue);
  
  if (sensorValue == HIGH) {
    myservo.write(90);  // Open the door
    delay(100);        // Keep the door open for 3 seconds
    myservo.write(0);   // Close the door
  }
  delay(100);
}