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

#define DHTPIN 2 // Pin tempat sensor DHT22 dihubungkan
#define DHTTYPE DHT22 // Tipe sensor DHT yang digunakan

DHT dht(DHTPIN, DHTTYPE);

LiquidCrystal_I2C lcd(0x27, 16, 2); // Alamat I2C LCD 16x2

const int ledPin = 13; // Pin tempat LED dihubungkan
const float thresholdTemperature = 25.0; // Suhu threshold untuk menyalakan LED

void setup() {
  Serial.begin(9600);
  lcd.begin(16, 2);
  dht.begin();
  pinMode(ledPin, OUTPUT);
}

void loop() {
  delay(2000); // Menunggu 2 detik antara setiap pembacaan suhu

  float humidity = dht.readHumidity();
  float temperature = dht.readTemperature();

  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Suhu: ");
  lcd.print(temperature);
  lcd.print(" C");

  lcd.setCursor(0, 1);
  lcd.print("Kelembaban: ");
  lcd.print(humidity);
  lcd.print(" %");

  Serial.print("Suhu: ");
  Serial.print(temperature);
  Serial.print(" C, Kelembaban: ");
  Serial.print(humidity);
  Serial.println(" %");

  // Menghidupkan atau mematikan LED berdasarkan suhu
  if (temperature > thresholdTemperature) {
    digitalWrite(ledPin, HIGH);
  } else {
    digitalWrite(ledPin, LOW);
  }
}