4 layers101.6 × 76.2 mm

8051dumper
JohnDMcMaster/8051dumper
by NF6X. Forked from: https://gitlab.com/NF6X_Retrocomputing/8051dumper
41 parts27
Boards in 2 GitHub repositories, designed in KiCad, that use the SN74LS373N by Texas Instruments (0℃~+70℃ 18ns 2.6mA 20ns 24mA 4.75V~5.25V 5ns 74LS 8 D Latch Tri-State DIP-20 Latches ROHS). See how each wires it, with its parts, size, README and files; the SN74LS373N’s symbol, footprint and pinout are on its own page.

JohnDMcMaster/8051dumper
by NF6X. Forked from: https://gitlab.com/NF6X_Retrocomputing/8051dumper

PainfulDiodes/BeanBoard
QWERTY Keyboard, simple LCD display and GPIO for BeanZee