Tiny neon bulbs. It already looks miles better than the stock display, and with the addition ... worry not – an LED conversion is possible too.

This looks like one of those projects that started out as a glimmer of an idea and led down a rabbit hole. But it’s a pretty cool rabbit hole that leads to homebrew neon seven-segment displays ...

which in the 1970s passed an ordinance to make certain types of displays illegal. It was against this backdrop of obsolescence that neon's rehabilitation started to take root in the 1980s, led by ...