Projects around the AR-7778 musical calculator — a 12-digit desktop calculator that doubles as a piano (notes C4–B6).
| Repository | Description | Language |
|---|---|---|
| AR7778-digitized-MIDI | Arduino Nano + solenoids to turn the calculator into a MIDI instrument | C++ |
| musical-calculator-web | Web-based emulator of the calculator's musical functionality | HTML |
See also: Hackster.io project page
Part of @evnchn's project collection.