Alright, here’s your quick and dirty hack for the day. The astute among you may recall [Peter Waldraff]’s bookshelf train build of a few days ago, and the fact that he used a switch made from a dead ballpoint pen to light up the scene. Fortunately, [Peter] wrote in to give us the details of this low-voltage sub-build, which you can see in the video after the break.
This is a companion discussion topic for the original entry at https://hackaday.com/2024/01/28/ballpoint-switch-is-oh-so-satisfying/