#include <Servo.h>
#include <DHT.h>

#define DHTPIN 6     // Pin where the DHT11 is connected
#define DHTTYPE DHT11 // DHT 11
#define PIRPIN 2      // Pin where the PIR motion sensor is connected
#define LDRPIN A0     // Pin where the LDR is connected
#define LED1 3        // Pin where the first LED is connected
#define LED2 4        // Pin where the second LED is connected
#define SERVOPIN 9    // Pin where the servo is connected
#define RELAYPIN 7    // Pin where the relay is connected
#define BUZZERPIN 8   // Pin where the buzzer is connected

DHT dht(DHTPIN, DHTTYPE);
Servo myservo;

void setup() {
  Serial.begin(9600);
  dht.begin();
  pinMode(PIRPIN, INPUT);
  pinMode(LED1, OUTPUT);
  pinMode(LED2, OUTPUT);
  pinMode(RELAYPIN, OUTPUT);
  pinMode(BUZZERPIN, OUTPUT);
  myservo.attach(SERVOPIN);
  myservo.write(0); // Initial position of the servo
}

void loop() {
  // Read PIR motion sensor
  int pirValue = digitalRead(PIRPIN);

  // Read DHT11 sensor
  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();

  // Read LDR value
  int ldrValue = analogRead(LDRPIN);

  // Check if motion is detected
  if (pirValue == HIGH) {
    digitalWrite(LED1, HIGH); // Turn on LED1
    myservo.write(90); // Move servo to 90 degrees
    digitalWrite(RELAYPIN, HIGH); // Turn on the relay
    tone(BUZZERPIN, 1000); // Turn on the buzzer
  } else {
    digitalWrite(LED1, LOW); // Turn off LED1
    myservo.write(0); // Move servo to 0 degrees
    digitalWrite(RELAYPIN, LOW); // Turn off the relay
    noTone(BUZZERPIN); // Turn off the buzzer
  }

  // Control LED2 based on LDR value
  if (ldrValue < 500) {
    digitalWrite(LED2, HIGH); // Turn on LED2 if it's dark
  } else {
    digitalWrite(LED2, LOW); // Turn off LED2 if it's light
  }

  // Print sensor values to Serial Monitor
  Serial.print(F("Humidity: "));
  Serial.print(humidity);
  Serial.print(F("%  Temperature: "));
  Serial.print(temperature);
  Serial.print(F("°C  Light Level: "));
  Serial.println(ldrValue);

  // Wait a few seconds between measurements
  delay(2000);
}