Arduino Node.js with http://johnny-five.io/ and https://firebase.google.com/ --- Firebase Section ---
See
https://github.com/dyarfi/arduino-proximity-node
for node on arduino
Change your firebase config in index.html
<script>
// Initialize Firebase
var config = {
apiKey: "xxxxxxxxxxxxxxxxxx",
authDomain: "xxxxxxxxxxxxxxxxxx.firebaseapp.com",
databaseURL: "https://xxxxxxxxxxxxxxxxxx.firebaseio.com",
projectId: "xxxxxxxxxxxxxxxxxx",
// Optional
storageBucket: "xxxxxxxxxxxxxxxxxx.appspot.com",
messagingSenderId: "xxxxxxxxxxxxxxxxxx"
};
firebase.initializeApp(config);
</script>