2 open source boards using the ATSAMD21E15B-M
Real designs built with the ATSAMD21E15B-M, 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 SAM
Smd challenge
mokomull
41.3 × 31.8 mm26 parts2LNo license1ESP32
Powerlog
Matir
44.3 × 48.9 mm39 parts2LBSD-2-Clause18
The ATSAMD21E15B-M in open source designs
The gallery holds 2 open source boards using the ATSAMD21E15B-M from 2 GitHub repositories; a typical one measures about 42.8 × 40.3 mm and carries around 33 components.
100% are two-layer designs, the rest use four layers or more, and 50% carry an open source license.
The most starred is Powerlog by Matir.
Microcontrollers on boards using the ATSAMD21E15B-M
ATSAMD21E15B-M: common questions
Where can I find a ATSAMD21E15B-M reference design?
Each of the 2 boards on this page is a real design using the ATSAMD21E15B-M. 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 ATSAMD21E15B-M use?
Most are built on ESP32 (1) and Microchip SAM (1).
How big is a typical board using the ATSAMD21E15B-M?
The median is 42.8 × 40.3 mm, and 100% are two-layer designs.
What is the most popular open source board using the ATSAMD21E15B-M?
By GitHub stars, Powerlog by Matir, with 18 stars.
Can I simulate one of these boards using the ATSAMD21E15B-M 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.