In this project, you’ll use a Feather RP2040 with DVI Output to build a fun and funky video synth. The Feather runs Arduino code written with the Adafruit Fork of the PicoDVI library. All you’ll need is USB power and an HDMI monitor to start visually vibing with shapes, colors and static.

https://learn.adafruit.com/feather-rp2040-dvi-video-synth

https://learn.adafruit.com/picodvi-arduino-library-video-out-for-rp2040-boards