#define BLYNK_PRINT Serial
//define Blynk serial
#include <WiFi.h>
//include wifi library
#include <WiFiClient.h>
//include wifi host server
#include <BlynkSimpleEsp32.h>
//include the blynk simple esp32 library
int led = 15; 
//led pin define at pin D15
char auth[] = "k0l6GdkwKKhPUOylBD5Zj88xa4hO9tLv";      
 // authentication token received on mail 
char ssid[] = "virus";                   
 // put the WIFi SSID
char pass[] = "fcuma0987";
// put the passowrd of the WIFI
void setup() {  
  pinMode(led, OUTPUT); 
 //led output
  pinMode(led, HIGH); 
  //led go high
  Serial.begin(9600);
 // serial monitor begin at baud rate of 9600
  delay(20);
  //delay of 20
  Serial.print("Connecting to Server ");
  //connecting with blynk application
  Serial.println(ssid);
  //print ssid of WIFI
  WiFi.begin(ssid, pass);
  //wifi begin
  int wifi_ctr = 0;
  //wifi control at 0
  while (WiFi.status() != WL_CONNECTED) 
//check ststus of WIFI connected
  {
  delay(1000);
  //delay of 1000
 // Serial.print("Server"); 
  Serial.print(".");
  //print connecting to server
  }
  Serial.println("WiFi connected");  
  //serial print the command when connection established
  Blynk.begin("k0l6GdkwKKhPUOylBD5Zj88xa4hO9tLv", ssid, pass);
  //serial monitor begin with Auth. token, ssid and pass.
}
void loop()
{
    Blynk.run();
    //blynk application run with the setup
}