[ILUG] Re: Swipe Card System

[Philip Trickett (List)]

On Tue, 2007-07-31 at 19:47 +0100, Tony Groves wrote:

> Am I right in thinking that all RFID cards for a particular reader have
> to be identical? That would be no use. Each card has to be unique to the
> individual holder, for the purposes of authorisation checking and usage
> logging.
> 


Why don't you have a look at these:

http://www.maxim-ic.com/products/ibutton/

Not contactless, but the form factor is a lot easier to carry around.

They are tough as well, I ran mine over with the car, it still works...

Phil