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

#define DHTPIN 11
#define DHTTYPE DHT22
#define BUZZERPIN 10
#define LEDPIN 9
#define ledpin 8

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

void setup() {
  Serial.begin(9600);
  Serial.println("Sistem Monitoring Suhu");

  lcd.begin(16, 2);
  dht.begin();

  pinMode(BUZZERPIN, OUTPUT);
  pinMode(LEDPIN, OUTPUT);
  pinMode(ledpin, OUTPUT);

  //Animasi startup sederhana
  lcd.setCursor(0, 0);
  lcd.print("Loading...");
  delay(2000);
  lcd.clear();
}

void loop() {
  //Membaca data dari sensor
  float t = dht.readTemperature();
  float h = dht.readHumidity();

  delay(1000);

  //Menampilkan Suhu dan Kelembaban di LCD
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Suhu: ");
  lcd.print(t);
  lcd.print(" C");

  lcd.setCursor(0, 1);
  lcd.print("Lembab: ");
  lcd.print(h);
  lcd.print("%");

  //Menampilkan di serial monitor
  Serial.println("Sistem Monitoring Suhu");
  Serial.print("Suhu = ");
  Serial.print(t);
  Serial.print(" C");

  Serial.print("Kelembaban = ");
  Serial.print(h);
  Serial.print("%");

  //Pemberitahuan batas suhu
  if (t > 36) {
    lcd.setCursor(0, 1);
    lcd.print("Terlalu Panas!");
    tone(BUZZERPIN, 1000);
    digitalWrite(LEDPIN, HIGH);
    delay(800);
    digitalWrite(LEDPIN, LOW);
    noTone(BUZZERPIN);
  } else if (t < 16) {
    lcd.setCursor(0, 1);
    lcd.print("Terlalu Dingin!");
    tone(BUZZERPIN, 500);
    digitalWrite(ledpin, HIGH);
    delay(800);
    digitalWrite(ledpin, LOW);
    noTone(BUZZERPIN);
  }
  delay(1000);
}