7 open source boards using the SN74AHCT125
Real designs built with the SN74AHCT125, 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.
ESP8266Pcb ws2812-wifi controller
klein0r
49.4 × 35.8 mm18 parts2LMIT80
Pcb ws2812-ethernet controller
26.9 × 73.9 mm11 parts2LMIT38
AVR/ArduinoBeat707
FrankBuss
276.9 × 142.2 mm263 parts2LNo license11
ESP32MyBikesGotLED
mcqn
45.2 × 87.1 mm65 parts2LCERN-OHL-S-2.04
2040-artnode
dnewcome
100 × 70 mm80 parts4LNo license0
2040-artnode
pixeldestrukt
100 × 70 mm80 parts4LNo license0
AVR/ArduinoBrain board
100 × 100 mm70 parts2LNo license11
The SN74AHCT125 in open source designs
The gallery holds 7 open source boards using the SN74AHCT125 from 6 GitHub repositories; a typical one measures about 100 × 73.9 mm and carries around 70 components.
71% are two-layer designs, the rest use four layers or more, and 43% carry an open source license.
The most starred is Pcb ws2812-wifi controller by klein0r.
Parts used alongside the SN74AHCT125
Microcontrollers on boards using the SN74AHCT125
What boards using the SN74AHCT125 are built for
SN74AHCT125: common questions
Where can I find a SN74AHCT125 reference design?
Each of the 7 boards on this page is a real design using the SN74AHCT125. 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 SN74AHCT125?
The AMS1117-3.3, MT3608, RP2354A, TP4056 and W5500 appear in the most repositories here.
Which microcontrollers do boards using the SN74AHCT125 use?
Most are built on AVR/Arduino (2), ESP32 (1) and ESP8266 (1).
How big is a typical board using the SN74AHCT125?
The median is 100 × 73.9 mm, and 71% are two-layer designs.
What is the most popular open source board using the SN74AHCT125?
By GitHub stars, Pcb ws2812-wifi controller by klein0r, with 80 stars.
Can I simulate one of these boards using the SN74AHCT125 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.