#define BLYNK_TEMPLATE_ID "TMPL6xHszIxXk"
#define BLYNK_TEMPLATE_NAME "Monitoring Suhu"
#define BLYNK_AUTH_TOKEN "QPqljBoeqJUxA4IUww3jzPbx5d3qpbMk"

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <LiquidCrystal_I2C.h>
#include <DHT.h>


#define DHTPIN 4
#define DHTTYPE DHT22
DHT dht (DHTPIN, DHTTYPE);

LiquidCrystal_I2C lcd(0x27, 16, 2);
const int buzzerPin = 18;

char auth[] = "QPqljBoeqJUxA4IUww3jzPbx5d3qpbMk";
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;

void setup() {
  Serial.begin(115200);
  dht.begin();
  Blynk.begin(auth, ssid, pass);
  lcd.init();
  lcd.backlight();
}

void loop() {
  float t = dht.readTemperature();
  delay(1000);

  Blynk.virtualWrite(V0, t);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("Temp: ");
  lcd.print(t);
  lcd.print(" C");
  Serial.println("Suhu = ");
  Serial.print(t);

  if (t > 28.0 ) {
    tone(buzzerPin, 1000, 1000);
    lcd.clear();
    lcd.setCursor(0,0);
    lcd.print("ALERT !");
    lcd.setCursor(0,1);
    lcd.print("HIGH TEMPERATURE");
    Blynk.logEvent("hightemp_alert", String("High Temperature Detected! Cº: ") + t );  
    } 
  
  delay (2000);
}