#define BLYNK_TEMPLATE_ID "TMPL63AkWdb8v"
#define BLYNK_TEMPLATE_NAME "ceksuhu"
#define BLYNK_AUTH_TOKEN "STORfU5hqbJ-oFUBKTop30w5K2N_kbpZ"
#define BLYNK_PRINT Serial

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


#include <DHT.h>

char auth[] = BLYNK_AUTH_TOKEN;

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

#define led 15
#define DHTPIN 5          // Mention the digital pin where you connected 
#define DHTTYPE DHT22     // DHT 11  
DHT dht(DHTPIN, DHTTYPE); //membuat objek dht
#define TRIG_PIN 4 // ESP32 pin GIOP23 connected to Ultrasonic Sensor's TRIG pin
#define ECHO_PIN 18 // ESP32 pin GIOP22 connected to Ultrasonic Sensor's ECHO pin

float durasi, jarak;
BlynkTimer timer;



void setup(){
   Serial.begin(115200);
  Blynk.begin(auth, ssid, pass);
  pinMode(led, OUTPUT);
  pinMode(TRIG_PIN, OUTPUT);
  
  pinMode(ECHO_PIN, INPUT);
  
  dht.begin();
  timer.setInterval(500L, sendSensor);
  timer.setInterval(500L, ultra);
  
}

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

  // Serial.print("jarak = ");
  // Serial.println(jarak);
  //  delay(300);
}
void sendSensor(){
  float h = dht.readHumidity();//cara membaca kelembaban
  float t = dht.readTemperature(); // cara membaca suhu or dht.readTemperature(true) for Fahrenheit
  
  if (isnan(h) || isnan(t)) { //isnan itu untuk mengecek apakah data bukan angka,jika data ny angka maka false
    Serial.println("Failed to read from DHT sensor!");
    return;
  }
  
  Blynk.virtualWrite(V1, h); //ini menyesuaikan pin virtual pada blynk yaitu V1 untuk nilai kelembaban pada "h"
  Blynk.virtualWrite(V0, t);
  if((h>=50)&& (t>=50)){
    digitalWrite(led, HIGH);
    Blynk.virtualWrite(V3, HIGH);
  }
  else{
    digitalWrite(led, LOW);
    Blynk.virtualWrite(V3, LOW);
  }
  
  Serial.print("Temperature : ");
  Serial.print(t);
  Serial.print("    Humidity : ");
  Serial.println(h);


  // if(t > 30){
  //  // Blynk.email("[email protected]", "Alert", "Temperature over 28C!");
  //   Blynk.logEvent("temp_alert","Temp above 30 degrees");
  // }
}
void ultra(){
  digitalWrite(TRIG_PIN, HIGH);
  delayMicroseconds(10);
  digitalWrite(TRIG_PIN, LOW);
  durasi = pulseIn(ECHO_PIN, HIGH);
  jarak = 0.017 * durasi;
  Blynk.virtualWrite(V4, jarak);
}