Arduino and RFID


Im fairly new to arduino and i was looking around for some arduino-based solutions with RFID. I was wondering if anyone has useful hints for building an RFID reader/writer using an arduino.

The antenna has to be an open external antenna(like this one

Thanks in advance.


Most people buy them but here is how to make one.

readymade solutions are also helpfull

Sparkfun sell them.

thank you, got any example of other projects?

How about this