This LEDarcade clock runs on Raspberry Pi, features retro arcade games, and shows time in style. LEDarcade, which was designed from scratch without tutorials, offers nine different retro game titles.

The Raspberry Pi Real Time Clock also comes complete with a 1 x CR1220 12mm Diameter – 3V Lithium Coin Cell Battery. Adafruit explain a little more.

Raspberry Pi Nixie tube clock 9:38 am January 28, 2019 By Julian Horsey ...