Bowl hardware has yet to be documented on [Joe]’s project page, aside from the hint that an Arduino (what else?) was involved, but the write up on feline facial recognition is fascinating.

Other than the Arduino the project is cheap (the servo is $13 and everything else you probably have on hand) and shouldn't take much time to put together.

[Domiflichi] likes his cats, but not the drudgery of feeding them. So, like any good engineer, this simple problem became his next project: building an automatic cat feeder. Based on an Arduino ...

Tired of feeding his cat in the usual way, Ben Millam created a primal, yet techie alternative for his cat, Monkey. Millam said the project started when he began to read about why cats repeatedly ...