The build relies on that old stalwart, the Arduino Uno, to run the show. It’s hooked up to a DS3231 real-time clock module so it can keep accurate time for long periods, as is befitting a clock.

What do you do with 144 7-segment displays? If you’re [Frugha] you put them all together to create an epic clock. Each display has 8 individual LEDs — 7 segments, and a decimal point. P… ...

Nixie tube clock build has been classed as an intermediate project and should take approximately eight hours to complete using an Arduino MKR WiFi 1010 microprocessor together with IN-1 Nixie ...