simple relay control

#define BLYNK_PRINT Serial
#include <ESP8266WiFi.h>
#include <BlynkSimpleEsp8266.h>
char auth[] = "token";

char ssid[] = "PULPSTONE";
char pass[] = "internet";

void setup()
{
  Serial.begin(115200);

  Blynk.begin(auth, ssid, pass);
}

void loop()
{
  Serial.println();
  Blynk.run();
}