On Tue, 2007-07-31 at 09:06 +0100, Robert Fitzsimons wrote:
> I would suggest you start out by looking at the gumstix
> (http://www.gumstix.org/) for the host computer.
Interesting, I'll look into that.
> But it could cost hundreds maybe a thousand euro to setup the system,
> could this be a case of big expensive lock on a crap bike?
It's an important building and it has to be secured and made available
to authorised people. We don't want the whole world wandering in and out
at will. Sure it'll cost a bit, but there are 250 people to share the
> My experience on this topic is mostly with experimenting with RFID cards
> and RFID reader. I've got a couple of readers the open source OpenPCD
> (http://www.openpcd.org/) and two CardMan devices bought from
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
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