ESP8266-Arduino-Uno-BLYNK-SIMPLE

#include <ESP8266_Lib.h>
#include <BlynkSimpleShieldEsp8266.h>
#include <SoftwareSerial.h>
#define ESP8266_BAUD 9600
#define BLYNK_PRINT Serial

// You should get Auth Token in the Blynk App.
// Go to the Project Settings (nut icon).
char auth[] = "Your Blynk App Token Here";

// Your WiFi credentials.
// Set password to "" for open networks.
char ssid[] = "Your WiFi Name Here";
char pass[] = "Your WiFi Password Here";

SoftwareSerial EspSerial(2, 3); // RX, TX

ESP8266 wifi(&EspSerial);

void setup()
{
  Serial.begin(9600);
  delay(10);
  EspSerial.begin(ESP8266_BAUD);
  delay(10);
  Blynk.begin(auth, wifi, ssid, pass);
}

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