sensing sensors avoiding censorship sensing sensors

sensors.js

var plotly = require('plotly')('workshop','v6w5xlbx9j');
var five = require("johnny-five");
var board = new five.Board();

// plotly init data
var data = [
  {x:[], y:[], stream:{token:'25tm9197rz', maxpoints:200}},
  {x:[], y:[], stream:{token:'unbi52ww8a', maxpoints:200}}
];

var layout = {fileopt : "overwrite", filename : "nodey arduino!"};

// lets do this
board.on("ready", function () {

  var photoresistor = new five.Sensor({ pin: "A0", freq: 50 });
  var potentiometer = new five.Sensor({ pin: "A1", freq: 50 });

  plotly.plot(data,layout,function (err, res) {
    if (err) console.log(err);
    console.log(res);

    var photoresistor_stream = plotly.stream('25tm9197rz', function (err, res) {
      if (err) console.log(err);
      console.log(res);
    });
    var potentiometer_stream = plotly.stream('unbi52ww8a', function (err, res) {
      if (err) console.log(err);
      console.log(res);
    });

    photoresistor.scale([ 0, 1 ]).on("data", function () {
      data = {
        x : getDateString(),
        y : this.value
      };
      photoresistor_stream.write(JSON.stringify(data)+'\n');
    });

    potentiometer.scale([ 0, 1 ]).on("data", function () {
      data = {
        x : getDateString(),
        y : this.value
      };
      potentiometer_stream.write(JSON.stringify(data)+'\n');
    });

  });
});

// little helper function to get a nicely formatted date string
function getDateString () {
  var time = new Date();
  var datestr = new Date(time - 14400000).toISOString().replace(/T/, ' ').replace(/Z/, '');
  return datestr;
}