5 open source boards using the 74HC154
Real designs built with the 74HC154, 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.
Supercar larson scanner
hkzlab
63.5 × 43.6 mm41 parts2LCC-BY-NC-4.02
AVR/ArduinoBetaBoard
BetaWall
144.8 × 204.5 mm40 parts2LAGPL-3.02
Type k interface-02
smrq
438.2 × 152.4 mm393 parts2LNo license1
Micro
jurendono
200 × 150 mm175 parts2LNo license0
Control unit
Trilobyte-CPU
83.3 × 43.2 mm41 parts4LNo license2
The 74HC154 in open source designs
The gallery holds 5 open source boards using the 74HC154 from 5 GitHub repositories; a typical one measures about 144.8 × 150 mm and carries around 41 components.
80% are two-layer designs, the rest use four layers or more, and 20% carry an open source license.
The most starred is Supercar larson scanner by hkzlab.
Microcontrollers on boards using the 74HC154
What boards using the 74HC154 are built for
74HC154: common questions
Where can I find a 74HC154 reference design?
Each of the 5 boards on this page is a real design using the 74HC154. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the 74HC154?
The 74HC04, 74HC86, 74HC02, 74HC08 and 74HC32 appear in the most repositories here.
Which microcontrollers do boards using the 74HC154 use?
Most are built on AVR/Arduino (1).
How big is a typical board using the 74HC154?
The median is 144.8 × 150 mm, and 80% are two-layer designs.
What is the most popular open source board using the 74HC154?
By GitHub stars, Supercar larson scanner by hkzlab, with 2 stars.
Can I simulate one of these boards using the 74HC154 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.