#define BLYNK_PRINT Serial
#define BLYNK_TEMPLATE_ID "TMPL3piP3_y2f"
#define BLYNK_TEMPLATE_NAME "servo ultrasonic"
#define BLYNK_AUTH_TOKEN "sJ-byJEcTN_u9qGEFM-vCcu-sJAGshfw"

#include <WiFi.h>
#include <WiFiClient.h>
#include <BlynkSimpleEsp32.h>
#include <Ultrasonic.h>
#include <ESP32Servo.h>

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

#define TRIGGER_PIN  13  
#define ECHO_PIN     18  
#define SERVO_PIN    5

Ultrasonic ultrasonic(TRIGGER_PIN, ECHO_PIN);
Servo myservo;

BLYNK_WRITE (V0)
{

}



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

void loop()
{
  Blynk.run();
  long distance = ultrasonic.read();  
  Serial.println(distance);
  Blynk.virtualWrite(V0, distance);  
}