#include <LiquidCrystal_I2C.h>
#include <DHT.h>;

LiquidCrystal_I2C lcd(0x27, 16, 4);

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

//Variables:
int chk;
float H; //Humidity value
float T; //Temperature value
int buzzer = 12;

void setup(){
  //Initialize LCD, DHT22 sensor and buzzer:
  lcd.init(); lcd.backlight();
  //Serial Communication is starting with 9600 of baudrate speed
  Serial.begin(115200);
  dht.begin();
  pinMode(13, OUTPUT); pinMode(buzzer, OUTPUT);
  //Print some text in Serial Monitor
  Serial.println("Sensor suhu menggunakan arduino dan DHT");
  pinMode(9, OUTPUT); pinMode(10, OUTPUT); pinMode(11, OUTPUT);
}

void loop() {
  delay(2000);
  H = dht.readHumidity();
  T = dht.readTemperature();
  
  Serial.print("Humidity: ");
  lcd.println("Humidity:");
  Serial.print(H);
  lcd.println(H);
  Serial.print(" %; ");
  lcd.println("%;");
  lcd.setCursor(0, 1);
  Serial.print("Temp: ");
  lcd.println("Temperatur:");
  Serial.print(T);
  lcd.println(T);
  Serial.print(" C\n");
  lcd.setCursor(0, 2);
  lcd.println("Celsius.");
  lcd.setCursor(0, 0);
}