#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27, 16, 2);
int lm35 = 35;
int heater = 12;
int ventilation = 13;
int humidifier = 14;
void setup() {
  Serial.begin(115200);
  pinMode(lm35, INPUT);
  pinMode(heater, OUTPUT);
  pinMode(ventilation, OUTPUT);
  pinMode(humidifier, OUTPUT);
  lcd.init();
  lcd.backlight();
}

void loop() {
  lcd.clear();
  int adcVal = analogRead(lm35);
  float analogVolts = analogReadMilliVolts(lm35);
  float temperature = analogVolts / 100;
  Serial.printf("ADC analog value = %d\n",adcVal);
  Serial.printf("ADC millivolts value = %f\n",analogVolts);


// modlarin hepsini test etmek icin 
// asagidaki atamayi, + veya - olarak degistir
// yada kendin bir deger ver 20, 9 vs gibi

  temperature = temperature - 8; // ek kod
  lcd.setCursor(0,0);
  lcd.print(temperature);
  Serial.println(temperature, 2);
  delay(1000);

    if (temperature < 10) {
      Serial.println("Heater and Humidifier On, Ventilation Off");
      digitalWrite(heater, HIGH);
      digitalWrite(humidifier, HIGH);
      digitalWrite(ventilation, LOW);
      delay(3000);
    } 
    else if (temperature >= 20) {
      if( temperature > 23) {
        digitalWrite(ventilation, HIGH);
        Serial.println("Ventilation On");
        delay(3000);
      } 
      else {
        Serial.println("Heater and Humidifier Off");
        digitalWrite(heater, LOW);
        digitalWrite(humidifier, LOW);
        delay(3000);
      }
  }
  Serial.println("*********************");
  delay(1000);
  digitalWrite(heater, LOW);
  digitalWrite(humidifier, LOW);
  digitalWrite(ventilation, LOW);

}