Dancing Magic Eye tube

This is a 1950's EM80 "magic eye" tube (called a 6BR5 in the USA) with some support electronics I built to make it respond to sound. I think it's kinda hypnotic to watch. I've done an updated design which uses either an EM80 or a Russian 6E1P tube. See more details including schematic at http://bobparker.net.au/6E1P/6E1P.html The music is at https://youtu.be/VECYMWEgTbs

Видео Dancing Magic Eye tube канала ZilogBob