7 open source boards using the 74HCT540
Real designs built with the 74HCT540, 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
C64 BlinkenDiag
tebl
99.4 × 100 mm64 parts2LCERN-OHL-1.244
Omega-Mainboard
merlinkv
333.4 × 149.9 mm248 parts2LGPL-3.040
Omega-Mainboard
msx-solis
333.4 × 149.9 mm248 parts2LGPL-3.07
AVR/ArduinoAT65C02 Hobby Computer
Kayto
241.3 × 149.9 mm161 parts2LCERN-OHL-1.27
Omega mainboard1.3eu
333.4 × 149.9 mm252 parts2LGPL-3.05
InterruptAndKeyboard
daveho
150 × 90 mm37 partsNo license19
The 74HCT540 in open source designs
The gallery holds 7 open source boards using the 74HCT540 from 7 GitHub repositories; a typical one measures about 333.4 × 149.9 mm and carries around 248 components.
100% are two-layer designs, the rest use four layers or more, and 86% carry an open source license.
The most starred is Omega-Mainboard by skiselev.
Parts used alongside the 74HCT540
Microcontrollers on boards using the 74HCT540
What boards using the 74HCT540 are built for
74HCT540: common questions
Where can I find a 74HCT540 reference design?
Each of the 7 boards on this page is a real design using the 74HCT540. 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 74HCT540?
The 74HCT74, 74AHCT125, 74AHCT138, 74AHCT32 and 74F245 appear in the most repositories here.
Which microcontrollers do boards using the 74HCT540 use?
Most are built on AVR/Arduino (1).
How big is a typical board using the 74HCT540?
The median is 333.4 × 149.9 mm, and 100% are two-layer designs.
What is the most popular open source board using the 74HCT540?
By GitHub stars, Omega-Mainboard by skiselev, with 456 stars.
Can I simulate one of these boards using the 74HCT540 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.