leap motion to servofinger experiment

leapmotion-servofinger.js

var five = require("johnny-five");
var ws = new (require('ws'))('ws://localhost:6437');

ws.on('open', console.log.bind(console, 'connected'));
ws.on('error', console.log.bind(console, 'ERROR:'));

(new five.Board()).on("ready", function() {
  var servo = new five.Servo(11);

  ws.on('message', function(data) {
    var obj = JSON.parse(data.toString());
    if (obj.pointables && obj.pointables.length) {
      var fingerPos = obj.pointables[0].touchDistance;
      servo.to((fingerPos+.5)*270);
    }
  });
});