/*************************************************************

  This is a simple demo of sending and receiving some data.
  Be sure to check out other examples!
 *************************************************************/

// Template ID, Device Name and Auth Token are provided by the Blynk.Cloud
// See the Device Info tab, or Template settings


#define BLYNK_TEMPLATE_ID "TMPLF-9RE88u"
#define BLYNK_DEVICE_NAME "Monitoring Suhu Ruangan"
#define BLYNK_AUTH_TOKEN "0ICLs2dZoVZJ3C9ZmQv8CXuOgy5awJdI"


#define BLYNK_PRINT Serial

#define ledBiru D4
#define ledMerah D5
#define BUZZERPIN D18

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <DHT.h> //Library untuk DHT
#define DHTPIN 2
#define DHTTYPE DHT22
DHT dht(DHTPIN, DHTTYPE);


char auth[] = BLYNK_AUTH_TOKEN;

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer;

void sendSensor()
{
  float h = dht.readHumidity();
  float t = dht.readTemperature();
  float f = dht.readTemperature(true);
  if (isnan(h) || isnan(t) || isnan(f)) {
    Serial.println(F("Failed to read from DHT sensor!"));
    return;
  }

  float hif = dht.computeHeatIndex(f, h);

  float hic = dht.computeHeatIndex(t, h, false);
  //buzzer + LED
  if ( t > 40) {
    digitalWrite(ledMerah, HIGH);
    digitalWrite(ledBiru, LOW);
    digitalWrite(BUZZERPIN, HIGH);
    tone(BUZZERPIN, 150);
  } else {
    digitalWrite(ledMerah, LOW);
    digitalWrite(ledBiru, HIGH);
    digitalWrite(BUZZERPIN, LOW);
    noTone(BUZZERPIN);

  }

  Serial.print(F("Humidity: "));
  Serial.print(h);
  Serial.print(F("%  Temperature: "));
  Serial.print(t);
  Serial.print(F("°C "));
  Serial.print(f);
  Serial.print(F("°F  Heat index: "));
  Serial.print(hic);
  Serial.print(F("°C "));
  Serial.print(hif);
  Serial.println(F("°F"));

  Blynk.virtualWrite(V0, h); //mengirimkan data temperatur ke Virtual pin VO di Blynk Cloud
  Blynk.virtualWrite(V1, t); //mengirimkan data kelemaban ke Virtual pin V1 di Blynk Cloud
}
void setup() {
  pinMode(BUZZERPIN, OUTPUT);
  pinMode(ledMerah, OUTPUT);
  pinMode(ledBiru, OUTPUT);

  Serial.begin(9600);
  Serial.println(F("DHTxx test!"));
  dht.begin();
  timer.setInterval(1000L, sendSensor); //Mengaktifkan timer untuk pengiriman data 1000ms
}

void loop() {

  Blynk.run(); //menjalankan blynk
  timer.run(); //menjalankan timer

}