#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#include "DHT.h"

#define DHTPIN 2        // DHT22 ke pin D2
#define DHTTYPE DHT22   // Jenis sensor

DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2); // Alamat I2C biasanya 0x27

void setup() {
  dht.begin();
  lcd.begin(16, 2);
  lcd.backlight();  // Nyalakan lampu LCD
  lcd.setCursor(0, 0);
  lcd.print("Inisialisasi...");
  delay(2000);
}

void loop() {
  float suhu = dht.readTemperature();
  float kelembaban = dht.readHumidity();

  if (isnan(suhu) || isnan(kelembaban)) {
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.print("Sensor Error!");
    return;
  }

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Suhu: ");
  lcd.print(suhu);
  lcd.print((char)223); // simbol derajat
  lcd.print("C");

  lcd.setCursor(0, 1);
  lcd.print("Lembab: ");
  lcd.print(kelembaban);
  lcd.print(" %");

delay(2000);
}