Teaching A Vintage Line Printer To Make Music, All Over Again

Sit next to any piece of machinery long enough and you get to know it by the sounds it makes. Think about the sounds coming from any 3D-printer or CNC machine; it’s easy to know without looking when the G code is working through the sines and cosines needed to trace out a circle, for instance.

This is a companion discussion topic for the original entry at https://hackaday.com/2019/09/13/teaching-a-vintage-line-printer-to-make-music-all-over-again/