4 open source boards using the 74HC126
Real designs built with the 74HC126, 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.
AVR/ArduinoDPS5015--Nextion
radioelf
38.1 × 53.9 mm17 parts2LNo license7
AVR/ArduinoNixiedisp
jtsiomb
140 × 76.1 mm224 parts2LGPL-3.03
PICProto1
expeyes
124 × 38 mm139 partsNo license18
RP2040/RP2350HT16K33Panel
wakimizufu
150 × 140 mm126 parts2LNo license0
The 74HC126 in open source designs
The gallery holds 4 open source boards using the 74HC126 from 4 GitHub repositories; a typical one measures about 132 × 65 mm and carries around 133 components.
100% are two-layer designs, the rest use four layers or more, and 25% carry an open source license.
The most starred is Proto1 by expeyes.
Microcontrollers on boards using the 74HC126
What boards using the 74HC126 are built for
74HC126: common questions
Where can I find a 74HC126 reference design?
Each of the 4 boards on this page is a real design using the 74HC126. 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 74HC126 use?
Most are built on AVR/Arduino (2), PIC (1) and RP2040/RP2350 (1).
How big is a typical board using the 74HC126?
The median is 132 × 65 mm, and 100% are two-layer designs.
What is the most popular open source board using the 74HC126?
By GitHub stars, Proto1 by expeyes, with 18 stars.
Can I simulate one of these boards using the 74HC126 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.