You often take the stock clock app on your Android phone for granted. After all, all it does is tell the time and wake you up. It may also have a stopwatch and a timer, but that's often pretty much it ...

OK, here's a little electronics mystery. I have an old (2000s) wall clock in my bedroom that I had to take apart just now because a battery leaked in it (dang Duracells....). The clock takes two AA ...

[kcraske] had a simple plan for their clock build. They wanted a digital clock that was inspired by the appearance of an analog one, and they only wanted to use basic logic, with no microprocessors ...