5 open source boards using the NJM4558

Real designs built with the NJM4558, 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 NJM4558 in open source designs

The gallery holds 5 open source boards using the NJM4558 from 4 GitHub repositories; a typical one measures about 59.3 × 47 mm and carries around 41 components.

100% are two-layer designs, the rest use four layers or more, and 60% carry an open source license.

The most starred is Bmp2 by bubbajfett.

Microcontrollers on boards using the NJM4558

What boards using the NJM4558 are built for

NJM4558: common questions

Where can I find a NJM4558 reference design?

Each of the 5 boards on this page is a real design using the NJM4558. 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 NJM4558 use?

Most are built on ESP32 (1).

How big is a typical board using the NJM4558?

The median is 59.3 × 47 mm, and 100% are two-layer designs.

What is the most popular open source board using the NJM4558?

By GitHub stars, Bmp2 by bubbajfett, with 14 stars.

Can I simulate one of these boards using the NJM4558 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