Description Seeed Studio Minichord Synthesizer is an open-source MIDI musical device created for fast, expressive music making in a compact handheld format. The Minichord Synthesizer features 21 chord selector buttons for quick chord changes, a harp touch zone for note triggering, custom presets for personalized sound design, and USB MIDI support for use with computers, DAWs, and digital music setups. This Minichord is designed for musicians, creators, educators, and experimenters who want a pocket-sized MIDI synthesizer that is easy to play and easy to customize. Seeed Studio describes it as a fully open-source project, giving users access to the design and hardware resources for modification and creative extension. It is also a co-create collaboration with Benjamin Poilve. Features 21 chord selector buttons for fast and intuitive chord selection. Harp touch zone for expressive note triggering and musical performance. Custom presets for flexible sound setup and musical experimentation. USB MIDI connectivity for DAWs, computers, and digital instruments. Fully open-source design for hardware and workflow customization. Compact pocket-sized format for portable music creation. Co-created with Benjamin Poilve as part of Seeed Studio's co-create line. Specifications Specification Details Product Type Open-source MIDI musical device Chord Control 21 chord selector buttons Performance Area Harp touch zone Presets Customizable user presets Connectivity USB MIDI Open-source Yes Dimensions 182 mm × 99 mm × 24 mm Package Contents Minichord (assembled) ×1 Hardware Overview Applications The Minichord Synthesizer is well suited to music creation, USB MIDI performance, creative jams, and rapid prototyping of musical ideas. Its compact size and open-source nature make it a strong fit for portable music workflows, education, and hands-on instrument experimentation. USB MIDI controller use with computers and DAWs Pocket-sized music creation and creative sketching Custom musical interface experimentation Education and music technology learning Open-source instrument modification and prototyping Product List Minichord (assembled) ×1 Other Content What makes Minichord different The Minichord combines chord selection, a harp touch zone, and USB MIDI in a single compact instrument. It is designed for immediate playability while still supporting custom presets and open-source modification. The official Minicontrol web interface adds a convenient way to manage settings and customization. Resources User Manual Schematic Diagram Webpage Settings Interface PCN-114993647 Official Video FAQ Can the Minichord Synthesizer work as a USB MIDI instrument?Yes. Seeed Studio states that the Minichord Synthesizer functions as a USB MIDI instrument via USB connection. Is the Minichord open-source?Yes. The Minichord is presented as a fully open-source project, with hardware resources and design materials available for customization. Who is this instrument for?The Minichord is aimed at musicians, creators, educators, and experimenters who want a compact MIDI musical device for performance, prototyping, and creative sound exploration.