2 open source boards using the SAMD21G18B-A changed from SAML21
Real designs built with the SAMD21G18B-A changed from SAML21, 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.
Microchip SAMRocketPCR
GaudiLabs
105 × 33 mm45 parts2LGPL-3.0200
Microchip SAMOpenDropV4
124 × 115.4 mm118 parts2LGPL-3.0487
The SAMD21G18B-A changed from SAML21 in open source designs
The gallery holds 2 open source boards using the SAMD21G18B-A changed from SAML21 from 2 GitHub repositories; a typical one measures about 114.5 × 74.2 mm and carries around 82 components.
100% are two-layer designs, the rest use four layers or more, and 100% carry an open source license.
The most starred is OpenDropV4 by GaudiLabs.
Parts used alongside the SAMD21G18B-A changed from SAML21
Microcontrollers on boards using the SAMD21G18B-A changed from SAML21
SAMD21G18B-A changed from SAML21: common questions
Where can I find a SAMD21G18B-A changed from SAML21 reference design?
Each of the 2 boards on this page is a real design using the SAMD21G18B-A changed from SAML21. 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 SAMD21G18B-A changed from SAML21 use?
Most are built on Microchip SAM (2).
How big is a typical board using the SAMD21G18B-A changed from SAML21?
The median is 114.5 × 74.2 mm, and 100% are two-layer designs.
What is the most popular open source board using the SAMD21G18B-A changed from SAML21?
By GitHub stars, OpenDropV4 by GaudiLabs, with 487 stars.
Can I simulate one of these boards using the SAMD21G18B-A changed from SAML21 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.