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Raspberry Pi & Physical Web LED Demo
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"
}
}
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