[Lewis] has just the thing for that: a big expandable 7-segment display. The build is modular, allowing it to be extended from 2 to 10 digits ... can be built using an Arduino Nano or an ESP8266 ...

Of course, there’s nothing unusual about using 7-segment displays ... a 3D-printed case and an Arduino Nano coupled with a DS1307 make the clock part work. Honestly, with a few changes, we ...