Atomic Time on a Retired Railway Clock

There’s an accidental thread in these ramblings. New things rejuvenating old things. This is a particularly nerdy example on that theme. Old railway clocks have a massive amount of charm, but if you are lucky enough to get your hands on one, you quickly find that they are useless without a mother clock.

Here’s how to build a mother clock with a few basic components and some code we’ve shared on GitHub: