3 open source boards using the CD4040
Real designs built with the CD4040, 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.
Peoples permacomputer
genossen
208.3 × 146.1 mm121 parts2LCustom license2
PLL
telec16
50 × 200 mm78 parts2LNo license16
Vdu sv
zuiko21
106.7 × 83.8 mm35 parts2LMIT23
The CD4040 in open source designs
The gallery holds 3 open source boards using the CD4040 from 3 GitHub repositories; a typical one measures about 106.7 × 146.1 mm and carries around 78 components.
100% are two-layer designs, the rest use four layers or more, and 33% carry an open source license.
The most starred is Vdu sv by zuiko21.
What boards using the CD4040 are built for
CD4040: common questions
Where can I find a CD4040 reference design?
Each of the 3 boards on this page is a real design using the CD4040. 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 CD4040?
The median is 106.7 × 146.1 mm, and 100% are two-layer designs.
What is the most popular open source board using the CD4040?
By GitHub stars, Vdu sv by zuiko21, with 23 stars.
Can I simulate one of these boards using the CD4040 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.