This machine learning-assisted cat door keeps kitty from bringing furry surprises home

Using an Arduino, a bunch of code and a little machine learning, Benn Hamm created a cat door to keep his cat from bringing dead--and sometimes live--rats and birds into his home in the middle of the night. It's not often that I'm down with bringing surveillance technology into homes but, as a former cat owner who's had to clean bird shit off a flat-screen TV, I have nothing but love for this project.

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