The DS1374 2-wire serial real-time clock (RTC) from Dallas Semiconductor combines a 32-bit binary counter, watchdog, period alarm, programmable square-wave The DS1374 2-wire serial real-time clock ...

We’ve seen a great many cat feeders over the years. Some rely on the Internet of Things, and some rely on fancy microcontrollers. [Larry Cook], on the other hand, built his using a simple 4060 binary ...