6 layers313 × 259.5 mm

Open8-vga motherboard
adham404/Open8-VGA
An 8-bit computer from 74HC logic: microcoded CPU, VGA, PS/2, on-board editor and assembler. Play it in your browser.
322 parts3MIT
Boards in 2 GitHub repositories, designed in KiCad, that use the SN74HC05N by Texas Instruments (Hex Inverters with Open-Collector Output). See how each wires it, with its parts, size, README and files; the SN74HC05N’s symbol, footprint and pinout are on its own page.

adham404/Open8-VGA
An 8-bit computer from 74HC logic: microcoded CPU, VGA, PS/2, on-board editor and assembler. Play it in your browser.

bablokb/pcb-power-connect
Feed power to the Raspberry Pi using Pins 2 and 4