#define BLYNK_TEMPLATE_ID "TMPL6hH0_iGLh"
#define BLYNK_TEMPLATE_NAME "ESP32"
#define BLYNK_AUTH_TOKEN "Dz6ux3xHfoDyuAAqUaOrfPYGP1encBkS"

#define relay 15

#include "DHTesp.h"
#include <LiquidCrystal_I2C.h>
#include <BlynkSimpleEsp32.h>
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";
BlynkTimer timer; 

const int DHT_PIN = 15;
const int BUZZER = 18;
const int relayPin = 2;

DHTesp dhtSensor;
LiquidCrystal_I2C lcd(0x27, 16, 2);

void setup() {
  Serial.begin(115200);
  pinMode(BUZZER, OUTPUT);//buzzer
  pinMode(5,OUTPUT);//led merah
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  Blynk.begin(auth, ssid, pass);
  timer.setInterval(1000L, setup);
  pinMode(relay, OUTPUT);
  
  lcd.init();
  lcd.backlight();
}

void loop() {
  
  TempAndHumidity  data = dhtSensor.getTempAndHumidity();
  Serial.println("Temp: " + String(data.temperature, 2) + "°C");
  Serial.println("Humidity: " + String(data.humidity, 1) + "%");
  Blynk.virtualWrite(V0, data.temperature);
  Blynk.virtualWrite(V1, data.humidity);

  Serial.println("---");
  digitalWrite(BUZZER,HIGH) ; //Turn on active buzzer
  delay(2000);

  lcd.setCursor(0, 0);
  lcd.print("Temp: " + String(data.temperature, 2) + " C");
  delay(2000);
  lcd.clear();
  lcd.setCursor(0, 1);

delay(2000);
  lcd.clear();
  if (data.temperature < 20){
    lcd.print(" ");
    digitalWrite(5, LOW);
    noTone(BUZZER);
  }

  else if (data.temperature > 32){
    lcd.print("SELAMAT DATANG DI XII-6");
    digitalWrite(5, HIGH);
    tone(BUZZER,165);
  }

  else if (data.temperature > 20 < 32){
    lcd.print(" ");
    digitalWrite(5, LOW);
    noTone(BUZZER);
  }
  Blynk.run();
  timer.run();

}