17 open source boards using the nRF52840
Real designs built with the nRF52840, 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 nRFPH60
ph-design
285 × 94.6 mm204 parts2LCC-BY-NC-4.0154
Nordic nRFBorne keyboard
gibbz00
109.6 × 73.9 mm74 parts2LMPL-2.032
Nordic nRFByrandev
byrantech
35.9 × 41.8 mm55 parts2LMIT21
Nordic nRFAWatch2-hw
jwise
73.4 × 72.7 mm157 parts4LNo license18
ESP32HexGateway
gblach
50 × 48 mm83 parts2LNo license10
Nordic nRFApex
HashirX-ux
516.6 × 112.1 mm478 parts4LMIT2
Nordic nRFSplitkb
NoseFa
250.6 × 125.7 mm150 parts2LMIT2
Nordic nRFXD-keyboard
samdoes-stuff
269.7 × 107.9 mm172 parts2LNo license1
Nordic nRFVr trackers
1vers1on
30 × 30 mm61 parts4LNo license1
Nordic nRFNRFBlueSlime-Tracker-HW
wb1016
27.3 × 28.6 mm61 parts4LMIT1
Nordic nRFNRF52840-microstamp
cheyao
37 × 25 mm45 parts4LNo license1- schematic only · 187 partsRP2040/RP2350
Fieldratchet
JacobFV
187 partsNo license1 
Nordic nRF60WKeyboard
dac63701
285 × 95 mm296 parts4LNo license0
Nordic nRFCubitboard
cubit010
330.5 × 126.6 mm204 parts4LNo license0- schematic only · 187 partsRP2040/RP2350
Layla
amartyatatspandey
187 partsCustom license0 
RP2040/RP2350FiberPhantom — Covert Fiber Optic Network Tap & MITM Implant
jayis1
82 × 34 mm17 parts4LNo license3
Nordic nRFEdge io ring fusion
gunnchOS3k
40 × 18 mm6 parts4LMIT0
The nRF52840 in open source designs
The gallery holds 17 open source boards using the nRF52840 from 17 GitHub repositories; a typical one measures about 82 × 72.7 mm and carries around 150 components.
60% use four copper layers or more, and 35% carry an open source license.
The most starred is PH60 by ph-design.
Parts used alongside the nRF52840
Microcontrollers on boards using the nRF52840
What boards using the nRF52840 are built for
nRF52840: common questions
Where can I find a nRF52840 reference design?
Each of the 17 boards on this page is a real design using the nRF52840. 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 nRF52840?
The BQ24075RGT, ADS131 adc, AM62 SoC, BMI270 imu and BMP390 baro appear in the most repositories here.
Which microcontrollers do boards using the nRF52840 use?
Most are built on Nordic nRF (13), RP2040/RP2350 (3) and ESP32 (1).
How big is a typical board using the nRF52840?
The median is 82 × 72.7 mm, and 40% are two-layer designs.
What is the most popular open source board using the nRF52840?
By GitHub stars, PH60 by ph-design, with 154 stars.
Can I simulate one of these boards using the nRF52840 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.