Relay control over firebase

firebase_relay.js

const five = require('johnny-five');
const board = new five.Board();
const Firebase = require('firebase');
const relays = new Firebase('https://io16natal.firebaseio.com').child('relay');

board.on('ready', () => {
  const lamps = {
    '01': new five.Relay(8),
    '02': new five.Relay(9),
    '03': new five.Relay(10),
    '04': new five.Relay(11)
  }
  relays.on('value', (snap) => {
    snap.forEach((lamp) => { lamps[lamp.key()][lamp.val()]() });
  });
});