4 open source boards using the 4066
Real designs built with the 4066, 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.
C64-250407-Replica
bwack
390 × 179.8 mm214 parts2LCERN-OHL-1.2114
Ti99-rgb
wiesl
99.1 × 66 mm79 parts2LNo license12
Mistrum Klavesnice
Lazarus-L-o-n-g
277.5 × 140 mm83 parts2LCC-BY-NC-4.03- schematic only · 29 parts
Cvbs decomposer
ckarcz
29 parts2LMIT0
The 4066 in open source designs
The gallery holds 4 open source boards using the 4066 from 4 GitHub repositories; a typical one measures about 277.5 × 140 mm and carries around 81 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is C64-250407-Replica-KiCad by bwack.
What boards using the 4066 are built for
4066: common questions
Where can I find a 4066 reference design?
Each of the 4 boards on this page is a real design using the 4066. 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 4066?
The median is 277.5 × 140 mm, and 100% are two-layer designs.
What is the most popular open source board using the 4066?
By GitHub stars, C64-250407-Replica-KiCad by bwack, with 114 stars.
Can I simulate one of these boards using the 4066 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.