2 open source boards using the LM4040
Real designs built with the LM4040, 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.
Eurorack 4XVCA Module
Len42
50.5 × 108.2 mm108 parts2LNo license50
Eurorack SSI2131 VCO
50.5 × 108.2 mm98 parts2LNo license50
The LM4040 in open source designs
The gallery holds 2 open source boards using the LM4040 from 1 GitHub repository; a typical one measures about 50.5 × 108.2 mm and carries around 103 components.
100% are two-layer designs, the rest use four layers or more, and 0% carry an open source license.
The most starred is Eurorack 4XVCA Module by Len42.
What boards using the LM4040 are built for
LM4040: common questions
Where can I find a LM4040 reference design?
Each of the 2 boards on this page is a real design using the LM4040. 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 LM4040?
The median is 50.5 × 108.2 mm, and 100% are two-layer designs.
What is the most popular open source board using the LM4040?
By GitHub stars, Eurorack 4XVCA Module by Len42, with 50 stars.
Can I simulate one of these boards using the LM4040 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.