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.
Color
Noah1989
160 × 100 mm75 parts2LMIT2Graphics
Noah1989
160 × 100 mm67 parts2LMIT2Cpu new
Noah1989
160 × 100 mm58 parts2LMIT2STM32
RAMROM CPLD board
roberto314
100 × 100 mm42 parts2LNo license1
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.