var five = require("johnny-five"); var opts = {}; opts.port = process.argv[2] || ""; var board = new five.Board(opts); board.on("ready", function() { console.log("Board is connected - YAY"); console.log("Now to get on with the blinking"); var led = new five.Led(13); setInterval(function() { led.toggle(); }, 1000); }); board.on("error", function(err){ console.log(err.message); process.exit(); });