"use strict"; var Cylon = require("cylon"); Cylon .robot() .connection("arduino", { adaptor: "firmata", port: "/dev/tty.usbmodem1421" }) .device("mpu6050", { driver: "mpu6050" }) .on("ready", function(bot) { setInterval(function() { bot.mpu6050.getMotionAndTemp(function(err, data) { if (err) { console.error(err); } console.log(err, data); }); }, 1000); }); Cylon.start();