4 open source boards using the 74AC138

Real designs built with the 74AC138, 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.

The 74AC138 in open source designs

The gallery holds 4 open source boards using the 74AC138 from 2 GitHub repositories; a typical one measures about 160 × 100 mm and carries around 63 components.

100% are two-layer designs, the rest use four layers or more, and 75% carry an open source license.

The most starred is Color by Noah1989.

Microcontrollers on boards using the 74AC138

What boards using the 74AC138 are built for

74AC138: common questions

Where can I find a 74AC138 reference design?

Each of the 4 boards on this page is a real design using the 74AC138. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

Which microcontrollers do boards using the 74AC138 use?

Most are built on STM32 (1).

How big is a typical board using the 74AC138?

The median is 160 × 100 mm, and 100% are two-layer designs.

What is the most popular open source board using the 74AC138?

By GitHub stars, Color by Noah1989, with 2 stars.

Can I simulate one of these boards using the 74AC138 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.

Browse boards by part