2 open source boards using the SAMD21G18A

Real designs built with the SAMD21G18A, 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 SAMD21G18A in open source designs

The gallery holds 2 open source boards using the SAMD21G18A from 2 GitHub repositories; a typical one measures about 122.5 × 113 mm and carries around 249 components.

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

The most starred is Badge2020 by bornhack.

Microcontrollers on boards using the SAMD21G18A

What boards using the SAMD21G18A are built for

SAMD21G18A: common questions

Where can I find a SAMD21G18A reference design?

Each of the 2 boards on this page is a real design using the SAMD21G18A. 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 SAMD21G18A use?

Most are built on Microchip SAM (2).

How big is a typical board using the SAMD21G18A?

The median is 122.5 × 113 mm, and 100% are two-layer designs.

What is the most popular open source board using the SAMD21G18A?

By GitHub stars, Badge2020 by bornhack, with 12 stars.

Can I simulate one of these boards using the SAMD21G18A 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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