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This is an audiovisual instrument that I created for the 555 timer contest.
The Glitchovision 3000 is a 4 step sequencer controlling an ‘Atari Punk‘ synth with a greyscale NTSC video visualization of the output audio, built using two 558 quad-timers and two 556 dual-timers.
Here is a video of it in action:
I created this display for the 555 timer contest, a compact art piece that cries out in appreciation of the venerable 555 timer. It’s a persistence of vision display formed by 7 blue leds and 3 NE555 timers, which spells out 5 5 5 as it revolves.