sphero.js

var sphero = require("sphero"),
    sprkp = sphero("F3:F2:6D:55:71:09"); // change BLE address accordingly 
 
 sprkp.connect(function() {
    // roll sprkp in a random direction, changing direction every second 
    setInterval(function() {
        var direction = Math.floor(Math.random() * 360);
        sprkp.roll(150, direction);
    }, 1000);
});