esp webserver

/*
 * 115200. Connect GPIO 0 of your ESP8266 to VCC and reset the board
 */

#include <ESP8266WiFi.h>
#include <WiFiClient.h>
#include <ESP8266WebServer.h>
#include <ESP8266mDNS.h>

MDNSResponder mdns;

// Network id and pw
const char* ssid = "MY_ID";
const char* password = "MY_PASSWORD";

ESP8266WebServer server(80);

String webPage = "";

int gpio0_pin = 0;
int gpio2_pin = 2;

void setup(void)
{
  webPage += "<h1>ESP8266 Web Server</h1><p>Socket #1 <a href=\"socket1On\"><button>ON</button></a>&nbsp;<a href=\"socket1Off\"><button>OFF</button></a></p>";
  webPage += "<p>Socket #2 <a href=\"socket2On\"><button>ON</button></a>&nbsp;<a href=\"socket2Off\"><button>OFF</button></a></p>";

  // preparing GPIOs
  pinMode(gpio0_pin, OUTPUT);
  digitalWrite(gpio0_pin, LOW);
  pinMode(gpio2_pin, OUTPUT);
  digitalWrite(gpio2_pin, LOW);

  delay(1000);
  Serial.begin(115200);
  WiFi.begin(ssid, password);
  Serial.println("");

  // Wait for connection
  while (WiFi.status() != WL_CONNECTED)
  {
    delay(500);
    Serial.print(".");
  }
  Serial.println("");
  Serial.print("Connected to ");
  Serial.println(ssid);
  Serial.print("IP address: ");
  Serial.println(WiFi.localIP());

  if (mdns.begin("esp8266", WiFi.localIP()))
    Serial.println("MDNS responder started");

  server.on("/", []()
  {
    server.send(200, "text/html", webPage);
  });

  server.on("/socket1On", []()
  {
    server.send(200, "text/html", webPage);
    digitalWrite(gpio0_pin, HIGH);
    delay(1000);
  });

  server.on("/socket1Off", []()
  {
    server.send(200, "text/html", webPage);
    digitalWrite(gpio0_pin, LOW);
    delay(1000);
  });

  server.on("/socket2On", []()
  {
    server.send(200, "text/html", webPage);
    digitalWrite(gpio2_pin, HIGH);
    delay(1000);
  });

  server.on("/socket2Off", []()
  {
    server.send(200, "text/html", webPage);
    digitalWrite(gpio2_pin, LOW);
    delay(1000);
  });
  server.begin();
  Serial.println("HTTP server started");
}

void loop(void)
{
  server.handleClient();
}