Boards in 5 GitHub repositories, designed in KiCad, that use the 74LS221FP-E by Renesas Electronics (Reset input、Adjustable pulse width、Dual edge triggering - Monostable Multivibrators ROHS). See how each wires it, with its parts, size, README and files; the 74LS221FP-E’s symbol, footprint and pinout are on its own page.
fsaenz23/DEV-ACS-EGUN-TRIG_PCBDesign
This repository holds the printed-circuit-board design of the Trigger Board Assembly in the Reveam Accelerator Control System (ACS): a 6-layer Base board and a 4-layer Logic board that plug together and gate and drive a…
roberto314/EVA-1_Reproduction
Recreation of the very rare K-K Systems EVA-1 Display Adapter for the Epson HX-20 Computer
lynchaj/duodyne
Duodyne is a hobbyist retrocomputer system designed to run ROMWBW. It is comprised of modules on a system bus
lynchaj/duodyne
Duodyne is a hobbyist retrocomputer system designed to run ROMWBW. It is comprised of modules on a system bus
roberto314/GIMIX_reproduction
Reproducing SS-50 and SS-30 cards and GIMIX Ghost Case and Mainboard
roberto314/GIMIX_reproduction
Reproducing SS-50 and SS-30 cards and GIMIX Ghost Case and Mainboard
roberto314/GIMIX_reproduction
Reproducing SS-50 and SS-30 cards and GIMIX Ghost Case and Mainboard
roberto314/EVA-1_Reproduction
Recreation of the very rare K-K Systems EVA-1 Display Adapter for the Epson HX-20 Computer
roberto314/EVA-1_Reproduction
Recreation of the very rare K-K Systems EVA-1 Display Adapter for the Epson HX-20 Computer