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

float Lux;
float RLDR;
float Vout;
int Luminosity;

DHT dht(2, DHT22);
int senLdr = A0;

LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  Serial.begin(9600);
  pinMode(senLdr, INPUT);
  lcd.begin(16, 2);
  lcd.init();
  lcd.setBacklight(HIGH);
  dht.begin();
}

void loop() {
  int nilaiLdr = analogRead(senLdr);

  float volt = nilaiLdr * (5.0 / 1023.0);
  float resist = (5.0 - volt) / volt;
  float lux = 500 / resist;

  // Print the lux value to the serial monitor

  float kelembaban = dht.readHumidity();
  float suhu = dht.readTemperature();

  lcd.setCursor(0, 0);
  lcd.print(suhu);
  lcd.print("C");
  lcd.setCursor(9, 0);
  lcd.print(kelembaban);
  lcd.print("%");
  lcd.setCursor(6, 1);
  lcd.print(lux);

  lcd.setCursor(6, 1);
  lcd.print(lux);

  Serial.print("Suhu: ");
  Serial.print(suhu);
  Serial.print(" °C\t");
  Serial.print("Kelembaban: ");
  Serial.print(kelembaban);
  Serial.print(" %\t");
  Serial.print("Lux: ");
  Serial.println(lux);

  delay(1000);

}