Hands-on workshops and take-home kits for ages 11–24. Build a real velocity-sensitive MIDI keyboard — from cardboard, a breadboard, and real electronics.
Add a product photo here when it's ready. Until then, this keeps the hero clean without the mock keyboard graphic.
Music technology education in Hong Kong is largely inaccessible. Classical lessons dominate. STEM kits feel disconnected. Professional tools are expensive and software-heavy.
Leftover Tunes bridges music and engineering — students don't build a kit to light an LED. They build a working MIDI keyboard that plays real notes through a computer, using the same velocity-detection found in professional controllers.
Get in TouchSnap-fit cardboard design and lever key mechanisms — real structural thinking.
Breadboard circuits, pull-up resistors, analog multiplexers — no toys.
Microcontroller firmware, timing logic, and MIDI protocol — explored live.
How velocity, MIDI notes, and digital instruments actually work.
Hands-on sessions for schools, youth organisations, and cultural venues across Hong Kong. English instruction, Cantonese support available. No preparation required from your team.
The full 2-hour experience. Students assemble the complete 13-key velocity-sensitive keyboard from scratch and take it home.
Two-octave version for returning students. Expanded multiplexer array and firmware deep-dive.
Add LED note indicators and connect to GarageBand or Ableton. For students ready to go further.
Connect a MIDI keyboard or just use your computer keys. Explore the browser instruments including the synth and the Excel sequencer.
Open Browser Instruments →Whether you're a school activity coordinator, a youth NGO programme manager, or a parent who wants to buy a kit — get in touch and we'll take it from there.