This simple vertical version on the ever-popular wordclock spells out the time by illuminating rows of words. Reading from top to bottom, any five minute increment of time can be spelled out by illuminating some combination of these rows. (Credit to Twitter user @3d0g for this concept.)
This project uses a laser engraved piece of acrylic paired with a cardboard stand and is lit by a strip of NeoPixels powered by a Feather M4 Express board with a Precision Real Time Clock FeatherWing keeping time even if the clock is disconnected from power.
In addition to the electronics, for this project you will need:
Read on to learn how to build your own!