Reposting as it's own thread instead of discussing it in-line in the PCB thread (which didn't feel entirely right, TBH). By way of context: I'm going to be attending the Cyberpunk-themed Neotropolis ...

This single digit display is an old edge-lit module that [Ty_Eeberfest] has been working with. The modules were built for General Radio Company and have a really huge PCB to control just one digit.

Recently, we published an entry-level Arduino project with a single seven-segment LED display. Although it’s an amazing DIY project, we noted that most of the readers are looking for more advanced ...