8 open source boards using the ATSAMD21G18A-AUT
Real designs built with the ATSAMD21G18A-AUT, 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 SAMTiny4FSK
New-England-Weather-Balloon-Society
35.1 × 76.3 mm80 parts4LCERN-OHL-W-2.095
Microchip SAMOpen source insulin pump
UCBioengineering
50 × 50 mm143 parts4LNo license27
Microchip SAMPulse LoRa
risejohan
98.5 × 34 mm76 parts2LNo license17
Microchip SAMNode
ParadigmHyperloop
127 × 127 mm390 parts4LCustom license11
Microchip SAMLora - RS485 bridge
RainDrop-lora
63 × 50 mm62 parts4LApache-2.010
Microchip SAMDropkick
rrainey
44.5 × 50.8 mm45 parts2LMIT7
Microchip SAMPine
hutscape
45.7 × 38.1 mm43 parts2LMIT7
Microchip SAMATmega SAT
spel-uchile
96 × 89.9 mm65 parts2LNo license6
The ATSAMD21G18A-AUT in open source designs
The gallery holds 8 open source boards using the ATSAMD21G18A-AUT from 8 GitHub repositories; a typical one measures about 56.5 × 50.4 mm and carries around 71 components.
50% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Tiny4FSK by New-England-Weather-Balloon-Society.
Microcontrollers on boards using the ATSAMD21G18A-AUT
What boards using the ATSAMD21G18A-AUT are built for
ATSAMD21G18A-AUT: common questions
Where can I find a ATSAMD21G18A-AUT reference design?
Each of the 8 boards on this page is a real design using the ATSAMD21G18A-AUT. 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 ATSAMD21G18A-AUT use?
Most are built on Microchip SAM (8).
How big is a typical board using the ATSAMD21G18A-AUT?
The median is 56.5 × 50.4 mm, and 50% are two-layer designs.
What is the most popular open source board using the ATSAMD21G18A-AUT?
By GitHub stars, Tiny4FSK by New-England-Weather-Balloon-Society, with 95 stars.
Can I simulate one of these boards using the ATSAMD21G18A-AUT 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.