20 open source boards using the XIAO-nRF52840-SMD
Real designs built with the XIAO-nRF52840-SMD, 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.
Nordic nRFModular-Keyboard
hashim-cpro
409.7 × 97.2 mm260 parts2LNo license4
Nordic nRFWlfkbd
WillACosta
289.7 × 109.3 mm198 parts2LMIT3
Nordic nRFCute-Cat-Split-Keeb
adonutartist
352.5 × 100 mm216 parts2LNo license1
Nordic nRFKey bored
ThongNQ867
271.9 × 133.9 mm146 parts2LNo license1
Nordic nRFPlico
achen18
238.6 × 113.7 mm138 parts2LNo license1
Nordic nRFSplit-Keyboard
Arwinplayz
180 × 128 mm124 parts2LNo license1
Nordic nRFSplit-Keyboard with-Joystick
Shadow220108
312.4 × 114.1 mm108 parts2LNo license1
Nordic nRFFracture
Sudo-Aju
277.7 × 102.6 mm100 parts2LNo license1
Nordic nRF3x3MacroPadExtras
Grilled-Cheese-Engineering
61 × 80.5 mm22 parts2LGPL-3.01
Nordic nRFHackpadplusplus
0x62b
88.2 × 64.8 mm21 parts2LNo license1
Nordic nRFTheee-Ergonomic-Keyboard
juanfierro4892
264 × 98.5 mm90 parts2LNo license0
Nordic nRFFishping
DjukicAleksej
44.2 × 44.2 mm10 parts2LMIT0
Nordic nRFHexboard
hephaestushex
121.4 × 97.6 mm39 parts2LNo license5
Nordic nRFScroll dial
maker-lukas
20 × 44.7 mm12 parts2LNo license2
Nordic nRFErgoKey initial
Sh4rk-glitch
150.1 × 144.2 mm90 parts2LNo license1
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
Nordic nRFTEST-XIAO-nRF5240
74th
25.4 × 31.8 mm6 parts2LMIT1
The XIAO-nRF52840-SMD in open source designs
The gallery holds 20 open source boards using the XIAO-nRF52840-SMD from 20 GitHub repositories; a typical one measures about 203.1 × 105.9 mm and carries around 65 components.
100% are two-layer designs, the rest use four layers or more, and 30% carry an open source license.
The most starred is Hexboard by hephaestushex.
Parts used alongside the XIAO-nRF52840-SMD
Microcontrollers on boards using the XIAO-nRF52840-SMD
What boards using the XIAO-nRF52840-SMD are built for
XIAO-nRF52840-SMD: common questions
Where can I find a XIAO-nRF52840-SMD reference design?
Each of the 20 boards on this page is a real design using the XIAO-nRF52840-SMD. 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-nRF52840-SMD?
The XIAO-nRF52840-DIP, XIAO-ESP32-C3-DIP, XIAO-ESP32-C3-SMD, XIAO-ESP32-C5-SMD and XIAO-ESP32-C6-DIP appear in the most repositories here.
Which microcontrollers do boards using the XIAO-nRF52840-SMD use?
Most are built on Nordic nRF (16) and RP2040/RP2350 (4).
How big is a typical board using the XIAO-nRF52840-SMD?
The median is 203.1 × 105.9 mm, and 100% are two-layer designs.
What is the most popular open source board using the XIAO-nRF52840-SMD?
By GitHub stars, Hexboard by hephaestushex, with 5 stars.
Can I simulate one of these boards using the XIAO-nRF52840-SMD 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.