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

#define DHT_PIN 4
#define DHTTYPE DHT22
// #define SDA 23
// #define SCL 22

DHT dht(DHT_PIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  dht.begin();
  Wire.begin(23, 22);
  lcd.init();
  lcd.backlight();

  
  lcd.setCursor(0,0);
  lcd.print("Mengukur...");
  delay(2000);
}

void loop() {
  delay(2000);
  float suhu = dht.readTemperature();
  float kelembapan = dht.readHumidity();
  if (isnan(suhu)||isnan(kelembapan)) {
    Serial.println("Gagal membaca dari sensor DHT!");
    lcd.setCursor(0,0);
    lcd.print("Gagal Membaca");
    lcd.setCursor(0,1);
    lcd.print("Sensor");
    return;
  }

  lcd.setCursor(0,0);
  lcd.print("Suhu :");
  lcd.print(suhu);
  lcd.print("%");

  lcd.setCursor(0,1);
  lcd.print("Kelembapan :");
  lcd.print(kelembapan);
  lcd.print("%");

  Serial.print("Suhu: ");
  Serial.print(suhu);
  Serial.println("°C");

  Serial.print("Kelembapan: ");
  Serial.print(kelembapan);
  Serial.println(" %");
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation
}