//*****ULTRASONIK, menamai pin yang digunakan****************
#define BLYNK_TEMPLATE_ID "TMPL6ZiijAYbz"
#define BLYNK_TEMPLATE_NAME "ultrasonik"
#define BLYNK_AUTH_TOKEN "Ons-qns9WWMxmtbcZdQ67X2NzLOcJhTb"

#include <BlynkSimpleEsp32.h>

BlynkTimer timer;
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";


BLYNK_CONNECTED() { 
  Blynk.syncAll();
}


#define pinecho 2
#define pintrig 15

void sendSensor()
{
    digitalWrite(pintrig, LOW);
  delayMicroseconds(2);
  digitalWrite(pintrig, HIGH);
  delayMicroseconds(10);
  digitalWrite(pintrig, LOW);
  int duration=pulseIn(pinecho, HIGH);
  float distance=duration*0.034/2;

  //*****SERIAL MONITOR, menampilkan data jarak**************
  Serial.print(distance);
  Serial.println("cm");
 Blynk.virtualWrite(V0, distance);
}

void setup() {
  //*****SERIAL MONITOR, setting baud rate*******************
  Serial.begin(115200);

  //*****ULTRASONIK, setting pin yang digunakan**************
  pinMode(pinecho, INPUT);
  pinMode(pintrig, OUTPUT);

Blynk.begin(auth, ssid, pass);
 timer.setInterval(1000L, sendSensor);
}

void loop() {
  //********BLYNK, menjalankan blynk****************************
  Blynk.run();
  timer.run();
}