2 layers97.5 × 39.3 mm

GreHack2019-SAO V2
GreHack/CTF-challs
Here are the challenges (including sources) of the GreHack CTF.
40 parts108
Boards in 1 GitHub repository, designed in KiCad, that use the PCA9535D by NXP Semiconductors. See how each wires it, with its parts, size, README and files; the PCA9535D’s symbol, footprint and pinout are on its own page.

GreHack/CTF-challs
Here are the challenges (including sources) of the GreHack CTF.