#include <DHT22.h>
#include <Servo.h>

Servo myservo;  // create servo object to control a servo
int pos = 0;    // variable to store the servo position
// Create an instance of the DHT11 class and set the digital I/O pin.
DHT22 dht22(3);

   // Change to DHT22 if you're using DHT22
#define FANPIN 6         // PWM pin where the fan is connected



void setup() {
  Serial.begin(9600);
  //dht.begin();
  pinMode(2, OUTPUT);
  myservo.attach(6);
}

void loop() {
  float temperature = dht22.getTemperature();  // Get temperature value
  
  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println(" *C");
  
  if (temperature > 30) {
      for (pos = 0; pos <= 180; pos += 1) { // goes from 0 degrees to 180 degrees
    myservo.write(pos);              // tell servo to go to position in variable 'pos'
    delay(15);                       // waits 15ms for the servo to reach the position
  }
          // If temperature is less than 25°C
    
    digitalWrite(2, HIGH);              // Fan off
  } else{ // If temperature is between 25°C and 27°C
    for (pos = 180; pos >= 0; pos -= 1) { // goes from 180 degrees to 0 degrees
    myservo.write(pos);              // tell servo to go to position in variable 'pos'
    delay(15);                       // waits 15ms for the servo to reach the position
  }
    
    digitalWrite(2, LOW);            // Fan at low speed (40% of 255)
  }


  delay(2000);  // Wait for 2 seconds
}