#include <DHT.h>
#include <LiquidCrystal_I2C.h>
#include <Wire.h>
#define buzzer 4
#define pirPin 2
#define DHTPIN 3 
#define DHTTYPE DHT22
DHT dht (DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);


void setup() {
  pinMode(pirPin, INPUT);
  pinMode(buzzer, OUTPUT);
  dht.begin();

  lcd.backlight();
  lcd.init();
  int positionCounter;
  lcd.setCursor(2,0);
  lcd.print("Zaki Ahmad Basyary");
  lcd.setCursor(7,1);
  lcd.print("2215061004");
  for(positionCounter = 0; positionCounter < 20; positionCounter++){
    lcd.scrollDisplayLeft();
    delay (300);
  }
  lcd.clear();
}

void loop() {
  // Read the state of the PIR sensor
  int statusPir = digitalRead(pirPin);
  float suhu = dht.readTemperature();
  
  lcd.setCursor(0,0);
  lcd.print("Suhu : ");
  lcd.print(suhu);

  if (statusPir == HIGH && suhu >30) {
    lcd.setCursor(0,1);
    lcd.print("Buzzer aktif");
    tone(buzzer, 500);

  } else {
    lcd.setCursor(0,1);
    lcd.print("Tidak Aktif");
    noTone(buzzer);
  }

  delay(1000);
}