3 open source boards using the CD74HC4051E
Real designs built with the CD74HC4051E, 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.
Muse MW Port Extender
CTDL
97.8 × 78.7 mm32 parts4LNo license6
Mil Time Clock
sparkletron
79.3 × 101.1 mm104 parts2LMIT0
MCU BOARD
79.3 × 101.1 mm83 parts2LMIT0
The CD74HC4051E in open source designs
The gallery holds 3 open source boards using the CD74HC4051E from 2 GitHub repositories; a typical one measures about 79.3 × 101.1 mm and carries around 83 components.
67% are two-layer designs, the rest use four layers or more, and 67% carry an open source license.
The most starred is Muse MW Port Extender by CTDL.
CD74HC4051E: common questions
Where can I find a CD74HC4051E reference design?
Each of the 3 boards on this page is a real design using the CD74HC4051E. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
How big is a typical board using the CD74HC4051E?
The median is 79.3 × 101.1 mm, and 67% are two-layer designs.
What is the most popular open source board using the CD74HC4051E?
By GitHub stars, Muse MW Port Extender by CTDL, with 6 stars.
Can I simulate one of these boards using the CD74HC4051E 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.