joshmarinacci

var SerialPort = require('serial-port');

var sp = new SerialPort('/dev/ttyUSB0');
sp.on('open', function() {
  sp.write('<ID01><PA>', function(err, res){
    if(!err) {
      sp.write('<ID01><PA>$1', function(err, res) {
        if(!err) {
          console.log("yay!");
        }