4 open source boards using the 74HC32
Real designs built with the 74HC32, 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.
ESP32Duet 2
Duet3D
100 × 123 mm348 partsCERN-OHL-1.2257
EX-MotorShield8874
DCC-EX
65.9 × 52.9 mm75 parts4LCERN-OHL-W-2.011
ESP8266Duet WIFI
100 × 123 mm345 partsCERN-OHL-1.2257
MemBird - Woodcock
transistorfet
100 × 100 mm48 parts4LMIT17
The 74HC32 in open source designs
The gallery holds 4 open source boards using the 74HC32 from 3 GitHub repositories; a typical one measures about 100 × 111.5 mm and carries around 210 components.
100% use four copper layers or more, and 100% carry an open source license.
The most starred is Duet 2 by Duet3D.
What boards using the 74HC32 are built for
74HC32: common questions
Where can I find a 74HC32 reference design?
Each of the 4 boards on this page is a real design using the 74HC32. 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 74HC32 use?
Most are built on ESP8266 (1) and ESP32 (1).
How big is a typical board using the 74HC32?
The median is 100 × 111.5 mm, and 0% are two-layer designs.
What is the most popular open source board using the 74HC32?
By GitHub stars, Duet 2 by Duet3D, with 257 stars.
Can I simulate one of these boards using the 74HC32 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.