#define BLYNK_TEMPLATE_ID "TMPL6BaznDtZ6"
#define BLYNK_TEMPLATE_NAME "Sensor Ultrasonik"
#define BLYNK_AUTH_TOKEN "k18cFXQVGKaF5CC0e7grthNs3bfI0uQs"

#include <BlynkSimpleEsp32.h>
char auth[] = BLYNK_AUTH_TOKEN;
char ssid[] = "Wokwi-GUEST";
char pass[] = "";

BlynkTimer timer; 

//*****ULTRASONIK, menamai pin yang digunakan****************
#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;
   Blynk.virtualWrite(V0,distance);
 }

void setup() {
  Blynk.begin(auth, ssid, pass);
  timer.setInterval(1000L, sendSensor);

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

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