On 24/06/2011 00:17, Michael Watterson wrote:
> On 23/06/2011 23:54, Oli Glaser wrote:
>> >  I'm thinking PIC with some wireless ethernet module to network, or ch=
eap
>> >  radio module at either end to USB. For the ID it could be RFID, IR,
>> >  optical recognition, etc.
> Most RFID apps are stupid (human passport, Credit card).
>
> But for Cat Chip it's a good idea. I expect that's what Bob has. As I
> think standard pet "chipping" is RFID/NFC type stuff anyway or else how
> are they read?
>

I was thinking if Bob only has one cat then it may be a simpler setup,=20
like a magnetic tag to open the door and confirm it isn't a=20
raccoon/skunk, then register in/out and time. Sure Bob will confirm=20
either way soon though.
You are right about the pet chipping being RFID:
http://en.wikipedia.org/wiki/Microchip_implant_(animal)

> They just can't be bothered using the cat's paw sized keypad and
> pressing the personal PIN. You'd easier persuade a Rook to do that. I
> saw film of a pet one that figured keys and locks.  It even experimented
> with the car ignition.

:-)
We have one cat that we consider to be an intellectual giant. He always=20
appears to be wrestling with some deep cosmological problem.
Only trouble is we haven't yet figured out a way to translate from "Cat"=20
to English and extract the information from him.
I'm quite sure he could operate such a key pad. However, I think that he=20
would probably consider the pressing of keys simply to come and go to be=20
beneath a cat of his spiritual intensity.




--=20
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