#include <LiquidCrystal_I2C.h> //library LCD
#include <DHT.h>//library DHT22
#define DHTPIN 10 //pin data DHT22 konek ke pin 10 Arduino
#define DHTTYPE DHT22 //jenis sensor DHT22
DHT dht(DHTPIN, DHT22); //setup pin dan jenis DHTT ke library
//deklarasi variabel untuk menampung pembacaan suhu & kelembaban float humi, temp; 

LiquidCrystal_I2C lcd(0x27,20,4);  //deklarasi alamat, dan jenis lcd yang digunakan
int chk;
float hum;
float temp;

void setup() { 
  Serial.begin(9600);
  dht.begin();
  lcd.init();
  lcd.backlight();
  lcd.setCursor(3,0);
  lcd.print("Papan Informasi");
  lcd.setCursor(2,1);
  lcd.print("Suhu & Kelembaban");
  lcd.setCursor(8,2);
  delay(1000);
  lcd.clear();//hapus tampilan
  
}

void loop() {
 
 hum = dht.readHumidity();//baca kelembaban
 temp = dht.readTemperature();//baca suhu
  lcd.init();
  lcd.backlight();
  lcd.setCursor(3,0);//set kursor di baris 1, kolom 4
  lcd.print("Papan Informasi");
  //suhu
  lcd.setCursor(0,2);
  lcd.print("Suhu       :");
  lcd.setCursor(13,2);
  lcd.print(temp);//tampilkan nilai suhu
  lcd.setCursor(19,2);
  lcd.print("C");//Celcius
  //kelembaban
  lcd.setCursor(0,3);
  lcd.print("Kelembaban :");
  lcd.setCursor(13,3);
  lcd.print(hum);//tampilkan nilai kelembaban
  lcd.setCursor(19,3);
  lcd.print("%");
  //delay(500);
  //lcd.clear();
}