4 open source boards using the 74HCU04
Real designs built with the 74HCU04, 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.
Zx sizif-512
UzixLS
213 × 65.1 mm203 parts2LMIT194
Zx sizif-128
140 × 85 mm107 parts2LMIT32
MUTIF09 Single Board Computer
ja1umi
155 × 114 mm68 parts2LMIT10
TIMAYSound
Board-Folk
74.1 × 69.3 mm24 parts2LNo license8
The 74HCU04 in open source designs
The gallery holds 4 open source boards using the 74HCU04 from 4 GitHub repositories; a typical one measures about 147.5 × 77.1 mm and carries around 88 components.
100% are two-layer designs, the rest use four layers or more, and 75% carry an open source license.
The most starred is Zx sizif-512 by UzixLS.
Parts used alongside the 74HCU04
What boards using the 74HCU04 are built for
74HCU04: common questions
Where can I find a 74HCU04 reference design?
Each of the 4 boards on this page is a real design using the 74HCU04. 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 74HCU04?
The median is 147.5 × 77.1 mm, and 100% are two-layer designs.
What is the most popular open source board using the 74HCU04?
By GitHub stars, Zx sizif-512 by UzixLS, with 194 stars.
Can I simulate one of these boards using the 74HCU04 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.