
TRS-80-Model I G E1
RetroStack/TRS-80-Model-I-G-E1
Hardware Replica of the TRS-80 Model I Revision G
Boards in 45 GitHub repositories, designed in KiCad, that use the 74LS153DC by Texas Instruments (0℃~+70℃ 14ns 4.75V~5.25V 400uA 400uA 6.2mA 74LS Single Supply Tri-state output PDIP-16 Signal Switches, Multiplexers, Decoders ROHS). See how each wires it, with its parts, size, README and files; the 74LS153DC’s symbol, footprint and pinout are on its own page.

RetroStack/TRS-80-Model-I-G-E1
Hardware Replica of the TRS-80 Model I Revision G

hkzlab/ISA_EGA_CHIPS
This board is and EGA clone based on a reversed PA-WTEGA card, based on the chipset by CHIPS (P82C435 + P82A436).

fortinsylvain/MyCpu
Home brew CPU Hardware with 1-bit ALU implementation using 74LSxx, a micro-code and assembler coded in C#.

reinauer/Amiga-Boot-Selector
This is a Floppy Switcher for the Amiga 500/2000. It allows you to switch DF0/DF1, making it possible to boot from either a Gotek drive or the internal floppy drive. without relying on AmigaOS.

clemarfolly/Microdigital-TK2000
Reprodução da PCB do TK-2000 da Microdigital, clone do Micro-Professor MPF-II


djtersteegc/Tandy-Color-Computer-Multi-Pak
Respin of the Tandy 26-3024 Multi-Pak (MPI) for the DIY builder.







ceteras/Cobra-XP
Derived from Cobra, an experimental board for testing all kind of mods.


misterblack1/zenith_zt1
Information gathered on the Zenith ZT-1 / ZT-10 / ZT-11 and ZTX/ZT-x-A variants

inmbolmie/Memotron
Retro-inspired DIY 256KB memory expansion for the Amstrad CPC 464 computers




eduardocasino/k-1013-floppy-disk-controller-replica
MTU's K-1013 Rev. D Floppy DIsk Controller replica

ephemeridis/GRBL_board
This is a PCB designed to run GRBL, an open source CNC control software that is designed and optimised for Arduino.


SukkoPera/WheelOfJoyMini
4-player joystick adapter for the Commodore 16, 116 and Plus/4 with 2-button support