#include <DHT.h>;
#include <LiquidCrystal_I2C.h>
LiquidCrystal_I2C lcd(0x27,16,2);

//Constants
#define DHTPIN 2     // what pin we're connected to
#define DHTTYPE DHT22   // DHT 22  (AM2302)
#define led 3
#define buzzer 4
#define led2 5
DHT dht(DHTPIN, DHTTYPE); //// Initialize DHT sensor for normal 16mhz Arduino

//Variables
int chk;
float hum;  //Stores humidity value
float temp; //Stores temperature value

void setup()
{
  Serial.begin(9600);
	dht.begin();
  lcd.init();
  lcd.backlight();

  pinMode(led, OUTPUT);
  pinMode(led2, OUTPUT);
  pinMode(buzzer, OUTPUT);
}

void loop()
{
    //Read data and store it to variables hum and temp
    hum = dht.readHumidity();
    temp = dht.readTemperature();
    //Print temp and humidity values to serial monitor
    lcd.setCursor(0,1);
    lcd.print("Temp: ");
    lcd.print(temp);
    lcd.setCursor(0,0);
    lcd.print("Humidity: ");
    lcd.print(hum);

    if (temp <= 80 && temp >= 65){
      digitalWrite(led2, LOW);
      digitalWrite(led, HIGH);
      tone(buzzer, 3000);  // Play a tone at 3000Hz
      delay(1000);           // Play for 1 second (adjust as needed)
      noTone(buzzer);     // Turn off the tone
      delay(1000);
    }
    else if (temp > 50){
      digitalWrite(led, HIGH);
      digitalWrite(led2, LOW);
    }

    else{
      digitalWrite(led, LOW);
      noTone(buzzer);
      digitalWrite(led2, HIGH);
    }
}