Cited as a reference
Build Coolest Split Flap Clock | DIY Flip Display Clock | Arduino Projects | The Wrench
Why people recommend it
Linked with almost no comment as an example of a build, so the discussion gives little indication of how good or useful it is.
Watch for: Board versions may differ from the one shown
In their words
In a youtube video, he has a different version, but around the 4.56 mark, you can see the design and it's labeled as C2 10uf, not sure what that means.
yhax on electronics.stackexchange.com, May 2023. CC BY-SA.