The Color Graphics Adapter Redux board is a more or less faithful clone of the original IBM CGA, based on the original schematics
hkzlab
46
My own FPGA architecture simulated in VHDL, realized with 7400-logic on PCB.
mnemocron
41
An Apple II 80-Column Card. Based on the Videx Videoterm
btb
29
Amiga 500 6A Dual Internal Floppy Drive Interface
roddersuk
9
A z80 based computer, designed from scratch
tristanvandeweg
4
Exidy Sorcerer DreamDisk Disk Controller
RetroStack
4
Figuring out the schematic of PC110's mainboard
ahmadexp
4
Buffered expansion backplane for the KIM-1 that follows MTU's standard for cards like the K-1008 Visable Memory
eduardocasino
2
A trainer board for digital electronics
RetroStack
1
Recreation of the Computer One floppy disk interface for the ICL One Per Desk.
stephen-usher
0
6809 PC
danwerner21
0
Powertran/ETI polysynth
icnagy
0