A $30 chord synthesizer

This device will analyze your playing and start suggestions harmonies to play next. You can either tap the screen to play "normal" chords or push it to play "emotional chords". Watch the video to learn how it works!

This is based on Elecrow's 1.28" Smart Panel (Crowpanel), which you can buy here: https://www.awin1.com/cread.php?awinmid=82721&awinaffid=2840494&ued=https%3A%2F%2Fwww.elecrow.com%2Fcrowpanel-1-28inch-hmi-esp32-rotary-display-240-240-ips-round-touch-knob-screen.html

The Firmware is here: https://floydsteinberg.gumroad.com/l/bumtf

The MIDI shield: https://amzn.to/4m9EFTv

There's also a web version of this if you don't want to spend money at all: https://www.floydsteinberg.com/extension/www.floydsteinberg.com/webmidi/chorder/chorder.html