On Tue, 15 Sep 2009 08:40:10 +0930, you wrote:

>Hi Guys,
>
>I was approached yesterday to offer a solution to a problem a 'herd testing' 
>company has with obtaining 'dairy cow identification numbers' from the RFID 
>system already built into the dairies.

Why bother interfacing to the system? RFID readers are cheap nowadays and there are only a handful
of tag types, so why not just have your own reader that reads the tags directly?

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