Spotted in the MAKE Flickr Pool, user tsruzik made this automatic cat faucet using an IR sensor and AVR. I know plenty of cats that like to drink from the faucet, and this apparatus really takes the annoyance factor out of the equation. Schematic and source code included.
2 thoughts on “Automatic cat faucet”
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This is a great design, but I wanted to go for a much simpler solution:
http://chopmo.blogspot.com/2008/07/cat-faucet-crude-edition.html
Works perfectly :)