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

#define DHTPIN 2
#define DHTTYPE DHT22

DHT dht(DHTPIN, DHTTYPE);

#define RELAY_HEATING 3
#define RELAY_VENTILATION 4
#define LED_HEATING 12
#define LED_VENTILATION 13
#define SERVO_PIN 11

const float setTemperature = 22.0; 

Servo myServo;

void setup() {
  Serial.begin(9600);
  dht.begin();

  pinMode(RELAY_HEATING, OUTPUT);
  pinMode(RELAY_VENTILATION, OUTPUT);
  pinMode(LED_HEATING, OUTPUT);
  pinMode(LED_VENTILATION, OUTPUT);

  myServo.attach(SERVO_PIN);
}

void loop() {
  float temperature = dht.readTemperature();

  if (isnan(temperature)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  Serial.print("Temperature: ");
  Serial.print(temperature);
  Serial.println(" C");

 
  if (temperature < setTemperature) {
    digitalWrite(RELAY_HEATING, HIGH);  
    digitalWrite(RELAY_VENTILATION, LOW);  
    digitalWrite(LED_HEATING, HIGH);    
    digitalWrite(LED_VENTILATION, LOW); 
    myServo.write(0); 
  } else {
    digitalWrite(RELAY_HEATING, LOW);   
    digitalWrite(RELAY_VENTILATION, HIGH);  
    digitalWrite(LED_HEATING, LOW);     
    digitalWrite(LED_VENTILATION, HIGH);
    myServo.write(180); 
  }

  delay(2000); 
}