The pocket-sized instrument allows anyone to create pleasant-sounding chord progressions, without requiring extensive knowledge of music theory. Strumming the “harp touch zone” allows any of twelve notes to be triggered and, with continued contact, held. The Teensy 4.0-based instrument can also act as a MIDI device over USB. Having won Seeed’s Co-Create competition, the minichord is now available for purchase. The hardware and firmware to build your own is available on GitHub, and excel...