Ricardo F. Lopes's starred repositories
TS1000plus41
A clone of the American version of the ZX-81, the TS1000
ZX81plus38
Mij latest ZX81 clone without ULA built from discrete pin through hole components
C64-Keyboard
Allow a PS2/USB keyboard to be used with a Commodore 64 in place of the original Commodore keyboard.
wavedrom.github.io
Digital timing diagram editor
HP_classic
HP Classic Calculator Battery Pack
bit-preserve
Project for capturing vintage, classic, aka old computer schematics in KiCad.
ayfxedit-improved
AYFX Editor (Improved)
finalgrom99
A cartridge for the TI 99/4A that runs ROM and GROM images from an SD card
flashrom99
A Flash ROM Cartridge for the TI 99/4A
LibreCAD_3
LibreCAD 3 is a next generation 2D CAD application written to be modular, with a core independent from GUI toolkits. Scripting is possible with Lua.
kicad-library
The schematic and 3D libraries for KiCad 4.0. Note that the footprint libraries are the *.pretty repos themselves. This is an orphaned repo, the news about the v5 libs, http://kicad.org/post/kicad-official-libraries/.
KiCad-Librarian
A library manager for KiCad, with a template-driven generation of symbols, footprints and 3D models.