8 open source boards using the XIAO-SAMD21-DIP
Real designs built with the XIAO-SAMD21-DIP, 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 SAMAscom flat panel
letelescope
56.5 × 74 mm14 parts2LMIT2
RP2040/RP2350XIAO
dhirptl
203.1 × 125.1 mm21 parts2LMIT3
RP2040/RP2350XIAO
Videocraft10
203.1 × 125.1 mm21 parts2LMIT2
RP2040/RP2350XIAO
feastorg
203.1 × 125.1 mm21 parts2LCC0-1.01
RP2040/RP2350XIAO
sinismylastname
203.1 × 125.1 mm21 parts2LNo license1
RP2040/RP2350XIAO
AM1NOM
203.1 × 125.1 mm21 parts2LMIT0
RP2040/RP2350XIAO
jadenvv
203.1 × 125.1 mm21 parts2LNo license1
ESP32XIAO
Josephrp
203.1 × 125.1 mm21 parts2LCustom license12
The XIAO-SAMD21-DIP in open source designs
The gallery holds 8 open source boards using the XIAO-SAMD21-DIP from 8 GitHub repositories; a typical one measures about 203.1 × 125.1 mm and carries around 21 components.
100% are two-layer designs, the rest use four layers or more, and 63% carry an open source license.
The most starred is XIAO by Josephrp.
Parts used alongside the XIAO-SAMD21-DIP
Microcontrollers on boards using the XIAO-SAMD21-DIP
What boards using the XIAO-SAMD21-DIP are built for
XIAO-SAMD21-DIP: common questions
Where can I find a XIAO-SAMD21-DIP reference design?
Each of the 8 boards on this page is a real design using the XIAO-SAMD21-DIP. Open one to see how it is wired up, with the full BOM, a render of the layout and links to its KiCad files.
What parts are used alongside the XIAO-SAMD21-DIP?
The XIAO-ESP32-C3-DIP, XIAO-ESP32-C3-SMD, XIAO-ESP32-C5-SMD, XIAO-ESP32-C6-DIP and XIAO-ESP32-C6-SMD appear in the most repositories here.
Which microcontrollers do boards using the XIAO-SAMD21-DIP use?
Most are built on RP2040/RP2350 (6), ESP32 (1) and Microchip SAM (1).
How big is a typical board using the XIAO-SAMD21-DIP?
The median is 203.1 × 125.1 mm, and 100% are two-layer designs.
What is the most popular open source board using the XIAO-SAMD21-DIP?
By GitHub stars, XIAO by Josephrp, with 12 stars.
Can I simulate one of these boards using the XIAO-SAMD21-DIP 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.