Man builds robotic cat feeder that senses when dish is empty #PiDay @Raspberry_Pi

· Adafruit Industries Blog · Nov. 6, 2026, 2:49 p.m.
Summary
A detailed overview of Jason Winfield's innovative cat feeder design that uses a Raspberry Pi Pico, featuring automated dispensing based on real-time monitoring of food availability and cat presence. It emphasizes the creative engineering behind building a practical and responsive pet care device. The design includes a failsafe to prevent overfeeding and a user-friendly interface with an LCD screen.