#define BLYNK_PRINT Serial

#define BLYNK_TEMPLATE_ID "TMPLJ9mHVILz"
#define LED 2
#define LDR 4
#define kec_suara 0.034
#define cm_ke_inch 0.393701

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

const int DHT_PIN = 15;
DHTesp dhtSensor;
const int trigPin = 4;
const int echoPin = 5;
long durasi;
float jarakCM;
float jarakINCH;

char auth[] = "bRqT_9Tv6AiyjOpDd37QXG1kKEC3K3GD";

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

BlynkTimer timer;

BLYNK_WRITE(V2)
{
 int pinValue = param.asInt();
 digitalWrite(LED,pinValue);
 Serial.println("Test");
}

void sendSensor()
{
 TempAndHumidity  data = dhtSensor.getTempAndHumidity();
 Serial.println("Temp: " + String(data.temperature, 2) + "°C");
 Serial.println("Humidity: " + String(data.humidity, 1) + "%");
 Serial.println("---");
 Blynk.virtualWrite(V0, data.temperature); //mengirimkan data ke Virtual pin di Blynk Cloud
 Blynk.virtualWrite(V1, data.humidity); //mengirimkan data ke Virtual pin di Blynk Cloud
}

void setup()
{
  Serial.begin(9600);
  Blynk.begin(auth, ssid, pass);
  pinMode(LED, OUTPUT);
  dhtSensor.setup(DHT_PIN, DHTesp::DHT22);
  timer.setInterval(2000L, sendSensor);
  pinMode(trigPin, OUTPUT); // Sets the trigPin as an Output
  pinMode(echoPin, INPUT); // Sets the echoPin as an Input
}

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

  // Clears the trigPin
  digitalWrite(trigPin, LOW);
  delayMicroseconds(2);
  // Sets the trigPin on HIGH state for 10 micro seconds
  digitalWrite(trigPin, HIGH);
  delayMicroseconds(10);
  digitalWrite(trigPin, LOW);
  
  // Reads the echoPin, returns the sound wave travel time in microseconds
  durasi = pulseIn(echoPin, HIGH);
  // Calculate the distance
  jarakCM = durasi * kec_suara/2;
  // Prints the distance in the Serial Monitor
  Serial.print("Jarak (cm): ");
  Serial.println(jarakCM);
  Blynk.virtualWrite(V4, jarakCM);
  
  delay(1000);
}