#include <LiquidCrystal.h>
#include <DHT.h>
#define ldrpin 25
LiquidCrystal lcd(21, 19, 18, 5, 4, 2); // Inisialisasi layar LCD

DHT dht(7, DHT22); // Inisialisasi sensor suhu

int ldrPin = 14;
int lampuPin = 22;
int ntc = 25;
int ldrThreshold = 500; // Ambil nilai ambang batas berdasarkan kondisi cahaya ruangan

void setup() {
  lcd.begin(16, 2); // Atur ukuran layar LCD
  lcd.print("Suhu=");
  lcd.setCursor(0, 1);
  lcd.print("Kelembapan=");

  pinMode(lampuPin, OUTPUT);
  digitalWrite(lampuPin, LOW);
}

void loop() {
  int ldrValue = analogRead(ldrPin);
  float suhu = dht.readTemperature();
  float kelembapan = dht.readHumidity();

  lcd.setCursor(6, 0);
  lcd.print(suhu);
  lcd.print("C ");
  lcd.setCursor(11, 1);
  lcd.print(kelembapan);
  lcd.print("%  ");

  if (ldrValue < ldrThreshold) {
    digitalWrite(lampuPin, HIGH); // Hidupkan lampu jika kondisi gelap
  } else {
    digitalWrite(lampuPin, LOW); // Matikan lampu jika kondisi terang
  }

  delay(1000); // Update data setiap 1 detik
}