Barebones RFID module example.

ninja-rfid.js

var
  serialport = require('serialport')
	, stream = require('stream')
	, util = require('util')
;

util.inherits(rfid, stream);
module.exports = rfid;
function rfid(opts, app) {
	
	stream.call(this);
	var mod = this;

	this.config = function(dat, cb) {

		app.log.debug("Received config request");
		app.log.debug(dat);

		cb(null, { });
	}

	this.device = new serialport.SerialPort("/dev/cu.usbserial-A100RV5D", {

		baudrate : 9600
		, parser : serialport.parsers.readline("\n")

	});
	this.device.on('open', function() {

		console.log("RFID opened.");

		this.on('data', function(dat) {

			if(!dat) { return; }
			mod.emit('data', dat);
			app.log.debug("ninja-rfid: Scanned value: %s", dat);
		});
		this.on('error', function(err) {

			app.log.error("ninja-rfid: %s", err);
		});
		this.on('close', function(err) {

			app.log.debug("ninja-rfid: Serial connection closed");
		})
	});
};