#include <Servo.h>

Servo slidingGateServo;
Servo windowServo;
Servo garageDoorServo;

const int pirPin = 2;
const int trigPin = 4;
const int echoPin = 5;
const int rainSensorPin = A0;
const int tempSensorPin = A1;
const int ldrPin = A2;
const int livingRoomLed = 6;
const int bedroomLed = 7;
const int gardenLed = 8;
const int redWarningLed = 12;


long duration;
int distance;
int tempValue;
int ldrValue;
int rainValue;
int pirState = LOW;

void setup() {
  // Servo setup
  slidingGateServo.attach(9); // Sliding Gate Servo on Pin 9
  windowServo.attach(10); // Window Servo on Pin 10
  garageDoorServo.attach(11); // Garage Door Servo on Pin 11
  


  // LED and sensor setup
  pinMode(pirPin, INPUT);
  pinMode(trigPin, OUTPUT);
  pinMode(echoPin, INPUT);
  pinMode(livingRoomLed, OUTPUT);
  pinMode(bedroomLed, OUTPUT);
  pinMode(gardenLed, OUTPUT);
  pinMode(redWarningLed, OUTPUT);

  Serial.begin(9600);
}

void loop() {
  // Ultrasonic Sensor for Sliding Gate
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  duration = pulseIn(echoPin, HIGH);
  distance = duration * 0.034 / 2;
  
  if (distance < 50) {
    slidingGateServo.write(90); // Open gate when distance < 20cm
  } else {
    slidingGateServo.write(0); // Close gate
  }

  if (distance < 20) {
    garageDoorServo.write(90); // Open gate when distance < 20cm
  } else {
    garageDoorServo.write(0); // Close gate
  }

  // PIR Sensor for Security (Red LEDs)
  pirState = digitalRead(pirPin);
  if (pirState == HIGH) {
    digitalWrite(redWarningLed, HIGH); // Turn on warning light
  } else {
    digitalWrite(redWarningLed, LOW);  // Turn off warning light
  }

  // LDR for Garden Lights
  ldrValue = analogRead(ldrPin);
  if (ldrValue < 300) {
    digitalWrite(gardenLed, HIGH); // Turn on garden light
  } else {
    digitalWrite(gardenLed, LOW);  // Turn off garden light
  }

  // Raindrop Sensor for Window Control
  rainValue = analogRead(rainSensorPin);
  if (rainValue < 300) {
    windowServo.write(90); // Close window if it rains
  } else {
    windowServo.write(0); // Keep window open otherwise
  }

  
  delay(1000);
}