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

#define DHTPIN 8
#define DHTTYPE DHT22
#define BUZZER_PIN 3
#define LDR_PIN A0

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

void setup() {
  lcd.init();
  lcd.backlight();
  Serial.begin(9600);
  dht.begin();
  pinMode(BUZZER_PIN, OUTPUT);
  lcd.setCursor(0, 0);
  lcd.print("Muhammad Raihan");
  lcd.setCursor(0, 1);
  lcd.print("Jamil 2315061105");
  delay(2000);
  lcd.clear();
}

void loop() {
  float temp = dht.readTemperature();
  float hum = dht.readHumidity();
  int ldrValue = analogRead(LDR_PIN);

  Serial.print("Suhu: ");
  Serial.println(temp);
  Serial.print("Kelembaban: ");
  Serial.println(hum);
  Serial.print("LDR: ");
  Serial.println(ldrValue);

  if (temp >= 50.0) {
    tone(BUZZER_PIN, 2000);
  } else {
    noTone(BUZZER_PIN);
  }

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

  lcd.setCursor(0, 1);
  lcd.print("LDR: ");
  lcd.print(ldrValue);
  delay(2000);
}