4 open source boards using the 74x02
Real designs built with the 74x02, from public GitHub projects: a quick way to see how others power, decouple and connect it. Each board comes with its KiCad files, full parts list and a render — and you can simulate its firmware on HardLabs.
Controller
DutchMaker
191.1 × 114.3 mm60 parts2LNo license23
Memory
149.2 × 86.4 mm29 parts2LNo license23
Program-Counter
81.3 × 82.6 mm15 parts2LNo license23
Stack-Pointer
81.3 × 50.8 mm9 parts2LNo license23
The 74x02 in open source designs
The gallery holds 4 open source boards using the 74x02 from 1 GitHub repository; a typical one measures about 115.3 × 84.5 mm and carries around 22 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is Controller by DutchMaker.
74x02: common questions
Where can I find a 74x02 reference design?
Each of the 4 boards on this page is a real design using the 74x02. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the 74x02?
The median is 115.3 × 84.5 mm, and 100% are two-layer designs.
What is the most popular open source board using the 74x02?
By GitHub stars, Controller by DutchMaker, with 23 stars.
Can I simulate one of these boards using the 74x02 before building it?
Yes. HardLabs turns a board's netlist and BOM into a working simulation, so you can boot and test firmware against it with no hardware on your desk.