Harold Hallikainen <harold <at> hallikainen.org> writes:

> > Harold Hallikainen wrote:

> I haven't looked for anything like that, but it seems possible a standard
> passive RFID could handle that. Whether such a tag exists, though, I
> dunno! In my application, I just had to read the insternational standard
> cow number (something like 10 digits) from the tag.

How come 10 digits are enough to tag all the cows in the civilized world ? That
would be far fewer than 10 billion (10^10 - is it base 10 ?) cows. I thought
they outnumbered humans. They should also rotate somehow, as their lifespans are
not that long (one could say, by design).

Peter P.



-- 
http://www.piclist.com PIC/SX FAQ & list archive
View/change your membership options at
http://mailman.mit.edu/mailman/listinfo/piclist