2 layers97.8 × 35.6 mm

Ql flex
arleybls/ql-flex-memory
512kB external RAM expansion board for the Sinclair QL, with SuperBASIC/68008 RAM test software (KiCad, CERN-OHL-S v2)
16 parts1CERN-OHL-S-2.0
KiCad boards from 1 GitHub repository tagged “gal16v8”, the most starred first; open any of them in PCBKit.

arleybls/ql-flex-memory
512kB external RAM expansion board for the Sinclair QL, with SuperBASIC/68008 RAM test software (KiCad, CERN-OHL-S v2)