2 layers85.2 × 71.3 mm
Bootarooni
phooky/bootarooni
A Raspberry Pi Pico (RP2040) based Apple IIe expansion card with USB isolation.
34 parts12
Boards using the 74LS299DC
11 boardsBoards in 10 GitHub repositories, designed in KiCad, that use the 74LS299DC by Texas Instruments (0.4mA、2.6mA 0℃~+70℃ 35MHz 35ns@5V,15pF 4.75V~5.25V 74LS 8 8mA、24mA Asynchronous clear function、Output enable、Asynchronous parallel load function、Supports forward and reverse shift Tri-State - Shift Registers). See how each wires it, with its parts, size, README and files; the 74LS299DC’s symbol, footprint and pinout are on its own page.
- 2 layers137 × 101.1 mm
Z80 board1
alexfreed58/z80-CPM-board-with-smart-i-o
This is yet another retro computer running CPM on an actual Z80 CPU with a twist. Instead of using a traditional UART for communications, it uses a RPi pico module that is no bigger and no more expensive than a UART.
48 parts2MIT - 2 layers96.5 × 76.2 mm
- 2 layers
- 2 layers99.1 × 158.8 mm
- 2 layers235 × 160 mm
Input output.Text
lynchaj/duodyne
Duodyne is a hobbyist retrocomputer system designed to run ROMWBW. It is comprised of modules on a system bus
87 parts15 - 2 layers100 × 100 mm
Dram test
Edgeworth/memepu
cmake -DUSEAFL=yes -DCMAKEBUILDTYPE=Release $PFX/verymeme AFLSKIPCPUFREQ=yes AFLPRELOAD=/usr/local/lib/afl/libdislocator.so \ afl-fuzz -m 1024M -i $PFX/verymeme/testdata/memelang/parsing -o memelangfuzz \ -x…
52 parts9GPL-3.0 - 2 layers71.4 × 53.3 mm
Arrington Eprom Programmer
abzman/Exidy-Sorcerer-Stuff
boards and maybe software for the exidy sorcerer
19 parts5 - 2 layers99.1 × 99.1 mm
- 2 layers100.3 × 100.3 mm
- 2 layers170.2 × 96.5 mm
