2 open source boards using the SM420561N

Real designs built with the SM420561N, 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.

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The SM420561N in open source designs

The gallery holds 2 open source boards using the SM420561N from 2 GitHub repositories; a typical one measures about 178 × 129 mm and carries around 133 components.

100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.

The most starred is VCO mki PCB by DeMarco.

Microcontrollers on boards using the SM420561N

AVR/Arduino 1

SM420561N: common questions

Where can I find a SM420561N reference design?

Each of the 2 boards on this page is a real design using the SM420561N. 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 SM420561N use?

Most are built on AVR/Arduino (1).

How big is a typical board using the SM420561N?

The median is 178 × 129 mm, and 100% are two-layer designs.

What is the most popular open source board using the SM420561N?

By GitHub stars, VCO mki PCB by DeMarco, with 5 stars.

Can I simulate one of these boards using the SM420561N 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.