As the saying goes: if it has a processor and a display, it can run DOOM. The corollary here is that if some software displays things, someone will figure out a way to make it render the iconic ...

If you want to know when the train is coming, you could pull up a webpage on your phone, or walk all the way to the station to look at the displays there. Or, like [eastfamilyreddish], you could build ...

This extension contains blocks for most 2 wheeled robots available for the micro:bit and Calliope mini and a web simulator. This library is compatible with micro:bit V2, V1 and Calliope mini V3.