Arduino on X: "Turn an old trackball mouse into a MIDI controller that can unlock new ways of making digital music! https://t.co/SYSGAb45HN https://t.co/z3JxhI4ILs" / X
Billiard Ball Arcade Trackball Mouse
Modding] CH Products Trackball PRO - BUSMOUSE to USB (Completed)
CH Products Trackball Pro USB modding | Hackaday.io
Grove - Mini Track Ball 101020091
Anyone has experience with Primoroni trackball? : r/cyberDeck
Mini Panel Mount USB Trackball with Three Buttons : ID 5063 : $49.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Measuring displacement with Parallax Trackball - Sensors - Arduino Forum