#include "DHT.h"
#include "Servo.h"

#define DHTPIN 27        
#define DHTTYPE DHT22   

#define LED_PIN 12      
#define PIR_PIN 18      
#define SERVO_PIN 14     
DHT dht(DHTPIN, DHTTYPE);   
Servo servoMotor;          

void setup() {
  Serial.begin(9600);

 dht.begin();

  pinMode(LED_PIN, OUTPUT);
  pinMode(PIR_PIN, INPUT);

  servoMotor.attach(SERVO_PIN);
}

void loop() {
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();

  if (isnan(humidity) || isnan(temperature)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  Serial.print("Humidity: ");
  Serial.print(humidity);
  Serial.print(" %\t Temperature: ");
  Serial.print(temperature);
  Serial.println(" *C");

  int motionDetected = digitalRead(PIR_PIN);

  if (motionDetected == HIGH) {
    Serial.println("Motion Detected!");
    digitalWrite(LED_PIN, HIGH);   // Turn on LED
    servoMotor.write(90);          
    delay(5000);                   
  } else {
    Serial.println("No Motion Detected.");
    digitalWrite(LED_PIN, LOW);    // Turn off LED
    servoMotor.write(0);           // Rotate servo to 0 degrees
  }

  delay(2000);  // Delay before next iteration
}