1 open source board using the ATSAMD21EXX

Real designs built with the ATSAMD21EXX, 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 ATSAMD21EXX in open source designs

The gallery holds 1 open source boards using the ATSAMD21EXX from 1 GitHub repository; a typical one measures about 35.7 × 21.6 mm and carries around 14 components.

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

The most starred is Samd21e breakout by mitsake.

Microcontrollers on boards using the ATSAMD21EXX

What boards using the ATSAMD21EXX are built for

ATSAMD21EXX: common questions

Where can I find a ATSAMD21EXX reference design?

Each of the 1 boards on this page is a real design using the ATSAMD21EXX. 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 ATSAMD21EXX use?

Most are built on Microchip SAM (1).

How big is a typical board using the ATSAMD21EXX?

The median is 35.7 × 21.6 mm, and 100% are two-layer designs.

What is the most popular open source board using the ATSAMD21EXX?

By GitHub stars, Samd21e breakout by mitsake, with 2 stars.

Can I simulate one of these boards using the ATSAMD21EXX 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.

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