16 open source boards using the 74AHCT125
Real designs built with the 74AHCT125, 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.
Omega-Mainboard
skiselev
333.4 × 149.9 mm248 parts2LGPL-3.0456
Omega-Mainboard
merlinkv
333.4 × 149.9 mm248 parts2LGPL-3.040
Omega-Mainboard
msx-solis
333.4 × 149.9 mm248 parts2LGPL-3.07
ESP32WLED-Controller
LostInCompilation
100 × 100 mm63 parts2LNo license7
NeoBit
mignon-p
77.5 × 45.7 mm25 parts2LCC-BY-SA-4.06
Omega mainboard1.3eu
333.4 × 149.9 mm252 parts2LGPL-3.05
STM32Faderbay
vonmartins
360 × 140 mm174 parts4LNo license4
Ghoost Board
Broccoliux
319 × 142.5 mm359 parts2LNo license3
Nexus
HashirX-ux
133.5 × 86 mm70 parts2LMIT2
ESP32Mosaic x3
shashwtd
21 × 128 mm32 parts2LNo license2
ESP32Security-Alarm-Panel
Matyas604
100 × 73.9 mm113 parts2LGPL-3.01
Tia fpga
lrrosa
61.6 × 34.5 mm24 parts2LCERN-OHL-S-2.01
ESP32PixelBoard
hamzaa-exe
33 × 45 mm21 parts2LMIT0
ESP32PCB3 Contoller
ahaimour2005
35 × 70 mm8 parts2LMIT0
VideoEncoder
stonedDiscord
175 × 80 mm43 parts2LBSD-2-Clause4
Led controller
mekatrol
50 × 70 mm25 parts2LNo license0
The 74AHCT125 in open source designs
The gallery holds 16 open source boards using the 74AHCT125 from 16 GitHub repositories; a typical one measures about 116.8 × 93 mm and carries around 67 components.
94% are two-layer designs, the rest use four layers or more, and 69% carry an open source license.
The most starred is Omega-Mainboard by skiselev.
Parts used alongside the 74AHCT125
What boards using the 74AHCT125 are built for
74AHCT125: common questions
Where can I find a 74AHCT125 reference design?
Each of the 16 boards on this page is a real design using the 74AHCT125. 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 74AHCT125?
The 74AHCT138, 74AHCT32, 74F245, 74F541 and 74HCT04 appear in the most repositories here.
Which microcontrollers do boards using the 74AHCT125 use?
Most are built on ESP32 (5) and STM32 (1).
How big is a typical board using the 74AHCT125?
The median is 116.8 × 93 mm, and 94% are two-layer designs.
What is the most popular open source board using the 74AHCT125?
By GitHub stars, Omega-Mainboard by skiselev, with 456 stars.
Can I simulate one of these boards using the 74AHCT125 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.