HackerTube / Video
The Computer-free Automation of a Jukebox (Electromechanics)
Technology Connections

Technology Connections takes apart a 1970 Wurlitzer 3400 jukebox to show how electromechanical relays and switches automated its behavior without a computer.
Recommended as an eye-opening look at pre-computer automation and relay logic.
3 Hacker News mentions · 2020–2021