5 open source boards using the 74AHCT125D
Real designs built with the 74AHCT125D, 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.
ESP8266N teller
atoomnetmarc
68.6 × 45.7 mm10 parts2LApache-2.02
ESP8266N teller xl diy
228.6 × 91.4 mm132 parts2LApache-2.01
ESP32ADLSC
137.2 × 61 mm48 parts2LApache-2.01
ESP32Sunrise clock main board
160 × 106.7 mm124 parts2LApache-2.00
AVR/ArduinoAT90S8535 demo board
99.1 × 99.1 mm41 parts2LApache-2.04
The 74AHCT125D in open source designs
The gallery holds 5 open source boards using the 74AHCT125D from 5 GitHub repositories; a typical one measures about 137.2 × 91.4 mm and carries around 48 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is AT90S8535 demo board by atoomnetmarc.
Parts used alongside the 74AHCT125D
Microcontrollers on boards using the 74AHCT125D
What boards using the 74AHCT125D are built for
74AHCT125D: common questions
Where can I find a 74AHCT125D reference design?
Each of the 5 boards on this page is a real design using the 74AHCT125D. 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 74AHCT125D use?
Most are built on ESP32 (2), ESP8266 (2) and AVR/Arduino (1).
How big is a typical board using the 74AHCT125D?
The median is 137.2 × 91.4 mm, and 100% are two-layer designs.
What is the most popular open source board using the 74AHCT125D?
By GitHub stars, AT90S8535 demo board by atoomnetmarc, with 4 stars.
Can I simulate one of these boards using the 74AHCT125D 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.