#include "DHT.h"
#include <Servo.h>
#define DHTPIN 8    
#define DHTTYPE DHT22   
#define pir 5
#define led A5
#define ldr A0
Servo myservo;
DHT dht(DHTPIN, DHTTYPE);

void setup() {
  Serial.begin(115200);
  Serial.println("Home Automation");
  pinMode(pir, INPUT);
  pinMode(led, OUTPUT);
  pinMode(ldr, INPUT);
  dht.begin();
  myservo.attach(3);
}

void loop() {
  int val,val1;
  val=digitalRead(pir);
  if(val==HIGH){
  for(int i=90; i<=270; i++){
    myservo.write(i);                  
    delay(15);  }}
    else{
      for(int i=270; 90<=i; i--){
    myservo.write(i);                  
    delay(15);  }
    }
    val1=analogRead(ldr);
    if(val1>600){
      analogWrite(led,1024);
    }
    else{
      analogWrite(led,0);
    }
  Serial.println(val1);
  float temperature = dht.readTemperature();
  float humidity = dht.readHumidity();
  if (isnan(temperature) || isnan(humidity)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }
  Serial.print(F("Humidity: "));
  Serial.print(humidity);
  Serial.print(F("%  Temperature: "));
  Serial.print(temperature);
  Serial.println(F("°C "));
  delay(2000);
}