The CHA/V (CHEAP, HACKY, A/V) is an open-source, DIY, A/V video synthesizer based on a hacked VGA test signal generator.
This is for a PCB only in standalone/desktop format. VGA signal generator not included.
CHA/V 3.0 (2021) is the newest DIY PCB version of the cheap, hacky, audiovisual synthesizer, based on the tutorial “How to Make a Crap Video Synth for $10”, and recently included in Handmade Electronic Music.
VGA devices have a surprisingly tolerant of window for accepting signals that are nowhere near spec. CHA/V devices happily hurl garbage into that window. This is not a precision instrument by any means, but it’s a cheap and convenient way to experiment with VGA hacking and video synthesis basics.
In previous versions it was necessary to source a VGA test signal generator and wire it to the CHA/V. This is still an option, but no longer necessary when the CHA/V is built with VGA4EVA.
(v2.0 shown in video)
Brand | CHA/V Designs |
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Additional Resources | Build Guide Continued Reading User Guide |