The best automatic cat feeders for households with enthusiastic eaters or cats on special diets may be microchip or RFID ...

We’ve seen a great many cat feeders over the years ... built his using a simple 4060 binary counter chip. The feeder is built out of old plywood, and the whole thing runs off an old 12-volt ...

So, like any good engineer, this simple problem became his next project: building an automatic cat feeder. Based on an ... backup feature of the RTC chip, programming it on his computer and ...