efexen/index.js

## index.js
var http = require('http');
var url = require('url');
var piblaster = require('pi-blaster.js');
var beacon = require('uri-beacon');
var ngrok = require('ngrok');
var handlebars = require('handlebars');
var fs = require('fs');

var layout = handlebars.compile(fs.readFileSync('./layout.html', 'utf8'));

http.createServer(function (req, res) {
  var command = url.parse(req.url).pathname.slice(1);

  res.writeHead(200, { 'Content-Type': 'text/html' });
  var data = {
    text: 'Switch Off',
    state: 'on',
    action: 'off'
  };

  if (command === 'on') {
    piblaster.setPwm(17, 1);
  } else {
    piblaster.setPwm(17, 0);
    data = {
      text: 'Switch On',
      state: 'off',
      action: 'on'
    };
  }

  res.end(layout(data));

}).listen(80);

ngrok.connect(80, function(err, url) {
  beacon.advertise(url);
});

## layout.html
<!DOCTYPE html>
<html>
  <head>
    <title>Pi LED Demo</title>
    <meta name="description" content="Physical Web Raspberry Pi LED Demo">
    <style>
      html {
        background: #222;
      }
      a {
        color: #DBDBDB;
        text-decoration: none;
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        padding: 2vw 3vw;
        display: block;
        border: 2px solid #17A01E;
        border-radius: 1vw;
        font-size: 8vw;
      }

      a.on {
        border-color: #A01717;
      }
    </style>
  </head>
  <body>
    <a href="{{action}}" class="{{state}}">{{text}}</a>
  </body>
</html>

## package.json
{
  "name": "testing_app",
  "version": "0.0.0",
  "description": "testing raspberry pi setup",
  "main": "index.js",
  "author": "",
  "license": "ISC",
  "dependencies": {
    "handlebars": "^2.0.0",
    "ngrok": "^0.1.98",
    "pi-blaster.js": "0.0.2",
    "uri-beacon": "^0.1.1"
  }
}
	var http = require('http');
	var url = require('url');
	var piblaster = require('pi-blaster.js');
	var beacon = require('uri-beacon');
	var ngrok = require('ngrok');
	var handlebars = require('handlebars');
	var fs = require('fs');

	var layout = handlebars.compile(fs.readFileSync('./layout.html', 'utf8'));

	http.createServer(function (req, res) {
	var command = url.parse(req.url).pathname.slice(1);

	res.writeHead(200, { 'Content-Type': 'text/html' });
	var data = {
	text: 'Switch Off',
	state: 'on',
	action: 'off'
	};

	if (command === 'on') {
	piblaster.setPwm(17, 1);
	} else {
	piblaster.setPwm(17, 0);
	data = {
	text: 'Switch On',
	state: 'off',
	action: 'on'
	};
	}

	res.end(layout(data));

	}).listen(80);

	ngrok.connect(80, function(err, url) {
	beacon.advertise(url);
	});
	<!DOCTYPE html>
	<html>
	<head>
	<title>Pi LED Demo</title>
	<meta name="description" content="Physical Web Raspberry Pi LED Demo">
	<style>
	html {
	background: #222;
	}
	a {
	color: #DBDBDB;
	text-decoration: none;
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%, -50%);
	padding: 2vw 3vw;
	display: block;
	border: 2px solid #17A01E;
	border-radius: 1vw;
	font-size: 8vw;
	}

	a.on {
	border-color: #A01717;
	}
	</style>
	</head>
	<body>
	<a href="{{action}}" class="{{state}}">{{text}}</a>
	</body>
	</html>
	{
	"name": "testing_app",
	"version": "0.0.0",
	"description": "testing raspberry pi setup",
	"main": "index.js",
	"author": "",
	"license": "ISC",
	"dependencies": {
	"handlebars": "^2.0.0",
	"ngrok": "^0.1.98",
	"pi-blaster.js": "0.0.2",
	"uri-beacon": "^0.1.1"
	}
	}