#define BLYNK_TEMPLATE_ID "TMPL30Xf-OGiA"
#define BLYNK_TEMPLATE_NAME "IOT TEST"
#define BLYNK_AUTH_TOKEN "Fvl9HfE-WjTGZFUVTzjTQ6Q1AQcUXS5Y"

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

#define BLYNK_PRINT Serial
#include <WiFi.h>
#include<WiFiClient.h>
#include<BlynkSimpleEsp32.h>

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

void loop()
{
  Blynk.virtualWrite(V0,"Hi Karthik");
}