2 layers393.7 × 228.6 mm

Doppel-1
jgw4/doppel-1
Great care has been taken to create a custom library of footprints that match the original apple-1. In fact, every symbol on the board is custom.
173 parts
Boards in 1 GitHub repository, designed in KiCad, that use the DM8097N by Texas Instruments (16ns 2 2、4 32mA 5.2mA 85mA Tri-State Unidirectional PDIP-16 Buffers, Drivers, Receivers, Transceivers). See how each wires it, with its parts, size, README and files; the DM8097N’s symbol, footprint and pinout are on its own page.

jgw4/doppel-1
Great care has been taken to create a custom library of footprints that match the original apple-1. In fact, every symbol on the board is custom.