Trackball project, using an Arduino and 3D printing. Still in-progress. : r/ Trackballs
Trackball Breakout - module with trackball and RGB backlight - Kamami on-line store
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
360 Degree Trajectory Ball Module Manufacturers and Suppliers China - Pricelist - Kuongshun Electronic