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<html>
<head>
<script src="https://code.jquery.com/jquery-2.2.3.min.js"></script>
<script src="https://cdn.socket.io/socket.io-1.2.1.js"></script>
<script>
$(function(){
var socket = io.connect('http://10.10.104.191:3000');
$('#mainan').on('input change',function(){
var upmBuzzer = require("jsupm_buzzer");
var mBuzzer = new upmBuzzer.Buzzer(3); //Buzzer for sound notification
var app = require('express')(); //Express Library
var server = require('http').Server(app); //Create HTTP instance
var io = require('socket.io')(server); //Socket.IO Library
var mraa = require('mraa');
var LCD = require ('jsupm_i2clcd'); //LCD to display price & color notification