2 layers117 × 95 mm

1 dc psu
arafat-siju/electronics-projects
A hardware-based fastest finger quiz system using digital logic ICs, featuring timer control, first-response detection, input lockout, and timeout indication.
50 parts
Open-source boards designed in KiCad by arafat-siju on GitHub, from 1 repository. A board’s address here is its repository’s there.

arafat-siju/electronics-projects
A hardware-based fastest finger quiz system using digital logic ICs, featuring timer control, first-response detection, input lockout, and timeout indication.