Man builds robotic cat feeder that senses when dish is empty

An ultrasonic sensor ensures kibble doesn't dump on the pet's head. More information Adding us as a Preferred Source in Google by using this link indicates that you would like to see more of our content in Google News results. The DIY project runs on a Raspberry Pi Pico and uses an ultrasound motion sensor. Pet owners can pick from any number of automatic cat feeders at this point, and even shell out hundreds of dollars for a particularly fancy kit. But at the end of the day, most of them are simply a scooper that dumps out premeasured amounts of feline food based on an internal timer.