3 open source boards using the LM4040DBZ-3

Real designs built with the LM4040DBZ-3, 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.

The LM4040DBZ-3 in open source designs

The gallery holds 3 open source boards using the LM4040DBZ-3 from 3 GitHub repositories; a typical one measures about 40 × 40 mm and carries around 61 components.

67% use four copper layers or more, and 67% carry an open source license.

The most starred is Compact-SimpleFOC-Board by maruta.

Parts used alongside the LM4040DBZ-3

Microcontrollers on boards using the LM4040DBZ-3

LM4040DBZ-3: common questions

Where can I find a LM4040DBZ-3 reference design?

Each of the 3 boards on this page is a real design using the LM4040DBZ-3. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.

Which microcontrollers do boards using the LM4040DBZ-3 use?

Most are built on RP2040/RP2350 (2).

How big is a typical board using the LM4040DBZ-3?

The median is 40 × 40 mm, and 33% are two-layer designs.

What is the most popular open source board using the LM4040DBZ-3?

By GitHub stars, Compact-SimpleFOC-Board by maruta, with 21 stars.

Can I simulate one of these boards using the LM4040DBZ-3 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.

Browse boards by part