#include <dht.h>
#include <Servo.h>

Servo servo1;
Servo servo2;
int buzzer = 4;
int led = 13;
int fan = 8;
dht DHT;
#define DHT11_PIN 7
void setup() {
  Serial.begin(9600);
  pinMode(buzzer, OUTPUT);
    pinMode(led, OUTPUT);
    servo1.attach(6);
    servo2.attach(12);
}

void loop() {
int chk = DHT.read11 (DHT11_PIN);

Serial.print ("Temp:  ");
Serial.println(DHT.temperature);

if(DHT.temperature>=40)  {
digitalWrite(buzzer, HIGH);
  digitalWrite(led, HIGH);
  digitalWrite(fan, HIGH);
  servo1.write(180);
  servo2.write(180);
Serial.println("The temp is hot");
delay(1000);
}else{
  digitalWrite(buzzer, LOW);
  digitalWrite(led, LOW);
  digitalWrite(fan, LOW);
  servo1.write(0);
  servo2.write(0);
Serial.println ("The temp is cold");
  }
delay(1000);
}