Casio Japan is releasing a new desk clock that will be familiar to those who’ve eschewed smartwatches in favor of simpler ...

There are various types of glass tubes like Nixies, Numitrons and classic VFD displays ... exactly what [Jay Hamlin] did when he built a digital clock based on LED filaments.

After building a couple of more traditional clocks over the years, he set his sights on making a completely isolated digital clock that doesn’t rely on external synchronization (well ...