Seeed Studio XIAO nRF52840 v1.3
feastorg·KiCad-Master-Lib·vendor/OPL_Kicad_Library/Seeed Studio XIAO nRF52840 v1.3/Seeed Studio XIAO nRF52840 v1.3.kicad_pcb
About the Seeed Studio XIAO nRF52840 v1.3 PCB
Seeed Studio XIAO nRF52840 v1.3 is an open source Nordic nRF PCB design by feastorg, published on GitHub under the CC0-1.0 license. It is a 2-layer board measuring 21 × 17.8 mm, with 79 components from 48 distinct parts.
Its main chip is the PMOS_1.00.6*0.35MM, from the Nordic nRF family. Other key parts include the BQ25100, LSM6DS3TR-C and 3.3V. By type, the board carries 28 capacitors, 17 resistors, 5 ICs, 4 test points, 2 crystals and 2 connectors.
From the project
Our central library for symbols, footprints, 3D models, and design blocks in KiCad.
Dive into a world of innovation with our curated collection of hardware components straight from the electronics hub of Shenzhen, complemented by an array of parts supported by Seeed Studio. Our mission is to empower makers, developers, and hardware enthusiasts with a diverse repository that streamlines innovation and accelerates development.
The Seeed Fusion Open Parts Libraries (OPL) and the associated component libraries are provided and maintained by the Seeed Studio Fusion team and the wider community for the turnkey Seeed Fusion PCB Assembly (PCBA) Service.

Main components on the Seeed Studio XIAO nRF52840 v1.3
Seeed Studio XIAO nRF52840 v1.3 bill of materials (BOM)
79 components, 48 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | — | AQFN50P700X700X85_HS-74N | U1 |
| 1 | BQ25100 | BQ25101_DSBGA_6_BQ25101 | U2 |
| 1 | LSM6DS3TR-C | LGA14-0.5-2.5X3X0.86MM | U3 |
| 1 | 3.3V | X2SON-4 | U6 |
| 1 | DNP | USON2X3_8 | U7 |
| 1 | PMOS_1.00.6*0.35MM | PMOS_1.0_0.6_0.35MM | Q1 |
| 1 | 32.768KHz | X2-SMD-L1.6X1.0X0.5MM | X1 |
| 1 | 32MHz | 4P1612 | X2 |
| 2 | DNP | H7-HALF-HOLE-2.54 | J1, J2 |
| 1 | — | ANT-SMD3P-3.2X1.6X1.04MM | ANT1 |
| 3 | — | TP-80X40MIL | BAT0, NFC1, NFC2 |
| 1 | GND | TP-80X40MIL | GND0 |
| 1 | — | SW4-SMD-2.8-2.6X1.6X0.53MM | K1 |
| 1 | MSM261D3526H1CPM | MIC6P-3.5X2.65X0.94MM | MIC1 |
| 1 | RGB | 4P1010 | RGB6 |
| 4 | — | TP-D45MIL | TP1, TP2, TP3, TP5 |
| 1 | — | dummyfp0 | UNK_HOLE_0 |
| 1 | — | dummyfp1 | UNK_HOLE_1 |
| 1 | — | dummyfp2 | UNK_HOLE_2 |
| 1 | — | dummyfp3 | UNK_HOLE_3 |
Show 28 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | — | dummyfp4 | UNK_HOLE_4 |
| 1 | — | dummyfp5 | UNK_HOLE_5 |
| 1 | — | dummyfp6 | UNK_HOLE_6 |
| 1 | — | dummyfp7 | UNK_HOLE_7 |
| 1 | — | USB2.0-TYPE-C | USB1 |
| 1 | RED | LED-0402 | CHG0 |
| 1 | — | SOD-523 | D1 |
| 1 | 10uH | L0603 | L3 |
| 5 | 100nF | C0201 | C1, C5, C8, C24, C34 |
| 2 | 10pF | C0201 | C2, C7 |
| 11 | 2.2uF | C0201 | C3, C4, C6, C9, C22, C25, C29, C30 +3 |
| 1 | 1nF | C0402 | C10 |
| 1 | 1pF | C0201 | C11 |
| 1 | 820pF | C0201 | C31 |
| 2 | 15pF | C0201 | C32, C33 |
| 1 | 100pF | C0201 | C35 |
| 1 | 0.8pF | C0201 | C36 |
| 1 | 0.5pF | C0201 | C37 |
| 1 | 4.7nH | L0201 | C38 |
| 1 | DNP | C0201 | C40 |
| 2 | 5.1k | R0201 | R1, R2 |
| 3 | 2.2k | R0201 | R3, R5, R7 |
| 5 | 10k | R0201 | R4, R13, R14, R15, R20 |
| 1 | 100k | R0201 | R9 |
| 2 | 33R | R0201 | R10, R11 |
| 2 | 2.7k | R0201 | R12, R18 |
| 1 | 1M_1% | R0201 | R16 |
| 1 | 510k_1% | R0201 | R17 |
Seeed Studio XIAO nRF52840 v1.3 design files
The KiCad project lives in the feastorg/KiCad-Master-Lib repository on GitHub; these links point at the commit this page was built from.
Seeed Studio XIAO nRF52840 v1.3: common questions
What microcontroller does the Seeed Studio XIAO nRF52840 v1.3 use?
The Seeed Studio XIAO nRF52840 v1.3 is built around the PMOS_1.00.6*0.35MM, from the Nordic nRF family.
How big is the Seeed Studio XIAO nRF52840 v1.3 PCB?
The Seeed Studio XIAO nRF52840 v1.3 measures 21 × 17.8 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Seeed Studio XIAO nRF52840 v1.3?
79 components, from 48 distinct parts, with part numbers taken from the project's own BOM. The full bill of materials is listed on this page.
Where can I download the Seeed Studio XIAO nRF52840 v1.3 design files?
From the feastorg/KiCad-Master-Lib repository on GitHub, which has the KiCad layout, the schematic and the BOM; the links under Design files point to each one.
Can I use the Seeed Studio XIAO nRF52840 v1.3 design in my own project?
Yes, under the terms of its CC0-1.0 license, which feastorg chose for the repository.
Can I test firmware for the Seeed Studio XIAO nRF52840 v1.3 without the hardware?
Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug Nordic nRF firmware against it before you order a PCB.
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