Untitled

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

const char* ssid = "SpeedTouch841E14";
const char* password = "FC476D99BB";

ESP8266WebServer server(80);

const int led = 13;


void handleRoot() {
digitalWrite(led, 1);
server.send(200, "text/plain", "hello from esp8266!");
digitalWrite(led, 0);
}

void handleNotFound(){
digitalWrite(led, 1);
String message = "File Not Foundnn";
message += "URI: ";
message += server.uri();
message += "nMethod: ";
message += (server.method() == HTTP_GET)?"GET":"POST";
message += "nArguments: ";
message += server.args();
message += "n";
for (uint8_t i=0; i<server.args(); i++){
message += " " + server.argName(i) + ": " + server.arg(i) + "n";
}
server.send(404, "text/plain", message);
digitalWrite(led, 0);
}

void setup(void){
pinMode(led, OUTPUT);
digitalWrite(led, 0);
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")) {
Serial.println("MDNS responder started");
}
String content = "Basic";
content += "<html><body><form action='action_page.php' method='POST'><br>";
content += "User:<input type='text' name='USERNAME' placeholder='user name'>       <br>";
content += "<input type='submit' name='SUBMIT' value='Submit'></form><br>";

server.on("/led", [](){
server.send(200, "text/html", content);
Serial.println(USERNAME);
}

server.on("/", handleRoot);

server.on("/inline", [](){
server.send(200, "text/plain", "this works as well");
});


server.onNotFound(handleNotFound);

server.begin();
Serial.println("HTTP server started");
}

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