#define BLYNK_TEMPLATE_ID "TMPLLw9j-aE3"
#define BLYNK_TEMPLATE_NAME "ESP32 DHT22"
#define BLYNK_AUTH_TOKEN "zqLqcO804WdWE2n5WWGBrmG4MyHSlAC8"

#define BLYNK_PRINT Serial

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



char auth[] = BLYNK_AUTH_TOKEN;

char ssid[] = "Wokwi-GUEST"; //nama hotspot yang digunakan
char pass[] = ""; //password hotspot yang digunakan

#define DHTPIN 5          // Mention the digital pin where you connected 
#define DHTTYPE DHT22     // DHT 11  
DHT dht(DHTPIN, DHTTYPE);
LiquidCrystal_I2C lcd(0x27, 16, 2);
BlynkTimer timer;



void setup() {

 Serial.begin(9600);
  lcd.init();
  lcd.backlight();
  Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
  pinMode(13, OUTPUT);
  // You can also specify server:
  //Blynk.begin(auth, ssid, pass, "blynk.cloud", 80);
  //Blynk.begin(auth, ssid, pass, IPAddress(192,168,1,100), 8080);

  dht.begin();
  timer.setInterval(2500L, sendSensor);
}

void loop() {
  Blynk.run();
  timer.run();

}
void sendSensor() {
  int h = dht.readHumidity();
  double t = dht.readTemperature(); // or dht.readTemperature(true) for Fahrenheit
  if (isnan(h) || isnan(t)) {
    Serial.println("Failed to read from DHT sensor!");
    return;
  }

  Blynk.virtualWrite(V0, t);
  Blynk.virtualWrite(V1, h);
  // Serial.print("Temperature : ");
  // Serial.print(t);
  // Serial.print("    Humidity : ");
  // Serial.println(h);

  lcd.setCursor(0,0);
  lcd.print("Temp: ");
  lcd.print(t);
  lcd.print(" C");

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



if (t >= 26)
{
    Blynk.logEvent("temp_alert", String("Periksa ruangan\n Suhu diatas standar maksimal (26 C)\n Suhu saat ini: ") + t);
      tone(13, 200);
    delay(20);  
    
}

if (h >= 55)
{
    Blynk.logEvent("humi_alert", String("Periksa ruangan\n Kelembaban diatas standar maksimal (55 %)\n Kelembaban saat ini: ") + h);
}
}