4 open source boards using the 74HC04
Real designs built with the 74HC04, 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.
6502 Blinkenlights Card
acwright
100 × 57.6 mm73 parts2LCERN-OHL-P-2.047
OS816
c0pperdragon
76.7 × 76.7 mm36 parts4LNo license26
CoreOne xCORE200-Original
ohdsp
100 × 100 mm389 parts4LNo license19
EX-MotorShield8874
DCC-EX
65.9 × 52.9 mm75 parts4LCERN-OHL-W-2.011
The 74HC04 in open source designs
The gallery holds 4 open source boards using the 74HC04 from 4 GitHub repositories; a typical one measures about 88.4 × 67.2 mm and carries around 74 components.
75% use four copper layers or more, and 50% carry an open source license.
The most starred is 6502 Blinkenlights Card by acwright.
What boards using the 74HC04 are built for
74HC04: common questions
Where can I find a 74HC04 reference design?
Each of the 4 boards on this page is a real design using the 74HC04. 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 74HC04?
The median is 88.4 × 67.2 mm, and 25% are two-layer designs.
What is the most popular open source board using the 74HC04?
By GitHub stars, 6502 Blinkenlights Card by acwright, with 47 stars.
Can I simulate one of these boards using the 74HC04 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.