2 layers280 × 29.3 mm
Mcu eight
biappi/muScribble
An hardware USB Scribble Strip that supports the Mackie Control Protocol
9 parts24
Blackpill
6 boardsKiCad boards from 4 GitHub repositories tagged “blackpill”, the most starred first; open any of them in PCBKit.
- 2 layers55 × 65 mm
PS2-MSX F1
evandrosouza-developer/ps2tomsxUSB
This one is a full open design (electronics, pcb and firmware) of a PS/2 Keyboard adapter with USB console for use in MSX and other legacy computers - 15x8 matrix(BCD input - 8 bits "Low active" output).
35 parts7MIT - 2 layers150.6 × 89.6 mm
Keyther
MagoSaronno/keyther
Keyther derives from the Cantor Classic keyboard, replacing TRRS with RJ45 (Ethernet), adding hotswappable sockets and slightly increasing switches' horizontal spacing
24 parts6GPL-3.0 - 2 layers153.7 × 103.8 mm
ELCANTORHS
azhizhinov/ELCANTORHS
The El Cantor HS keyboard is a 44 key diodeless split keyboard with support for hotswap sockets, designed with simplicity in mind.
28 parts5GPL-3.0 - 2 layers55 × 65 mm
PS2-MSX F4
evandrosouza-developer/ps2tomsxUSB
This one is a full open design (electronics, pcb and firmware) of a PS/2 Keyboard adapter with USB console for use in MSX and other legacy computers - 15x8 matrix(BCD input - 8 bits "Low active" output).
34 parts7MIT - 2 layers150.6 × 89.6 mm
Keyther
MagoSaronno/keyther
Keyther derives from the Cantor Classic keyboard, replacing TRRS with RJ45 (Ethernet), adding hotswappable sockets and slightly increasing switches' horizontal spacing
23 parts6GPL-3.0