#define BLYNK_TEMPLATE_ID "TMPL6V48ESAl8"
#define BLYNK_TEMPLATE_NAME "Monitor Suhu by KOALA"
#define BLYNK_AUTH_TOKEN "wLeWjbvPF2Aiczg4avtsXQlRwVd5lscU"

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

#define BLYNK_PRINT Serial  
#define DHTTYPE DHT22
#define DHTPIN 4

DHT dht(DHTPIN, DHTTYPE);

float humidity, temp;                 
unsigned long previousMillis = 0;
const long interval = 3000;         

char auth[] = BLYNK_AUTH_TOKEN;  
char ssid[] = "KOALA"; 
char pass[] = "jatimpride69";

void setup() {
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
  dht.begin();
}

bool isFirstConnect = true;

BLYNK_CONNECTED() { 
  if (isFirstConnect) {
    Blynk.syncAll();
    isFirstConnect = false;
  }
}

void loop() {
  Blynk.run();
  gettemperature();
}

void gettemperature() { 
  unsigned long currentMillis = millis();

  if (currentMillis - previousMillis >= interval) { 
    previousMillis = currentMillis;
    
    humidity = dht.readHumidity();         
    temp = dht.readTemperature();  
    Blynk.virtualWrite(V0, temp);
    Blynk.virtualWrite(V1, humidity);

    if (isnan(humidity) || isnan(temp)) {
      Serial.println("Sensor Tidak Terbaca");
      return;
    }
    Serial.print("Temperature: ");
    Serial.print(temp);
    Serial.print(" Celcius Humidity: ");
    Serial.print(humidity);
    Serial.println("% send to Blynk");
  }
}