/*

 * Circuits4you.com

 * mDNS example ESP8266 in Arduino IDE

 * After connecting to WiFi router enter esp8266.local in web browser

*/

#include <ESP8266WiFi.h>

#include <ESP8266WebServer.h>

#include <ESP8266mDNS.h>

const char* wifiName = "circuits4you.com";

const char* wifiPass = "your_password";

ESP8266WebServer server(80);

//Handles http request

void handleRoot() {

  digitalWrite(2, 0);   //Blinks on board led on page request

  server.send(200, "text/plain", "hello from esp8266!");

  digitalWrite(2, 1);

}

// the setup function runs once when you press reset or power the board

void setup() {

  Serial.begin(115200);

  delay(10);

  // We start by connecting to a WiFi network

  Serial.println();

  Serial.print("Connecting to ");

  Serial.println(wifiName);

  WiFi.begin(wifiName, wifiPass);

  while (WiFi.status() != WL_CONNECTED) {

    delay(500);

    Serial.print(".");

  }

  Serial.println("");

  Serial.println("WiFi connected");

  Serial.println("IP address: ");

  Serial.println(WiFi.localIP());   //You can get IP address assigned to ESP

   if(WiFi.status() == WL_CONNECTED) //If WiFi connected to hot spot then start mDNS

  {

    if (MDNS.begin("esp8266")) {  //Start mDNS with name esp8266

      Serial.println("MDNS started");

    }

  }

  server.on("/", handleRoot);  //Associate handler function to path

  server.begin();                           //Start server

  Serial.println("HTTP server started");

}

// the loop function runs over and over again forever

void loop() {

  server.handleClient();

}