Hi Sean,

My cat door was different, I trained my cats to unlock the door. The door y=
ou are looking for is called "Flo Control"

Here is a link to the archive:

https://web.archive.org/web/20000229222350/http://www.quantumpicture.com:80=
/Flo_Control/flo_control.htm

Nowadays I just use SureFlap microchip pet doors.

Friendly regards,

Bob

________________________________________
From: piclist-bounces@mit.edu <piclist-bounces@mit.edu> on behalf of Sean B=
reheny
Sent: Monday, May 29, 2017 9:41 PM
To: Microcontroller discussion list - Public.
Subject: [EE] Bob Blick's cat door

Bob or anyone else who could help,

I remember Bob designing a very clever cat door which would only open for
his cat and even then only when it was NOT carrying prey into the house. I
was trying to describe it to someone and I could no longer find any web
page which describes it. Is the link still available? Even if it isn't
still up, at least having the original link would help me to try the
internet archive.

Thanks,

Sean

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