A ethernet connected RFID reader

This is a nice build but…its pricey, around 65 (not including door hardware, etc) for the board.  But I did get from the site some other interesting things, such as the RFID antennas that are pretty cheap that can be used for Arduinos.

http://hackaday.com/2013/08/26/building-an-ethernet-connected-rfid-reader/?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+hackaday%2FLgoM+%28Hack+a+Day%29

For Cheap RFID readers look here:

http://www.seeedstudio.com/depot/electronic-brick-125khz-rfid-card-reader-p-702.html

and better

http://www.dfrobot.com/index.php?route=product/product&filter_name=0231&product_id=892#.Uh4k8nVDtu5