2 layers90 × 70 mm

Midi s3 mini
usr-ein/TriMixxx
Open source standalone DJ multimedia player, compatible with Rekordbox
102 parts44GPL-3.0
Boards in 4 GitHub repositories, designed in KiCad, that use the MF-R250 by Bourns (-40℃~+85℃ 1.2W 10.3s 12mm 2.5A 25mΩ 30V 40A 5A 70mΩ 插件 Resettable Fuses ROHS). See how each wires it, with its parts, size, README and files; the MF-R250’s symbol, footprint and pinout are on its own page.

usr-ein/TriMixxx
Open source standalone DJ multimedia player, compatible with Rekordbox

Dhruv2212-star/Motor-driver
it is a very simple motor driver that will recive the data from another micro-controller


paulbruneau/ssio-check
A bench tester for the Bally/Midway MCR Sound I/O family: the 90908 Sound I/O and the 90913 / 91483 / 91657 Super Sound I/O (Z80, two AY-3-8910s, and all of the game's input ports).