HardLabs

XIAO

sinismylastname·SinHackpad·PCB/OPL_Kicad_Library-master/XIAO Family/XIAO.kicad_pcb

XIAO PCB layout, top view — open source RP2040/RP2350 board by sinismylastname
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About the XIAO PCB

XIAO is an open source RP2040/RP2350 PCB design by sinismylastname, published on GitHub. It is a 2-layer board measuring 203.1 × 125.1 mm, with 21 components from 21 distinct parts.

Its main chip is the XIAO-RP2040-SMD, from the RP2040/RP2350 family. Other key parts include the XIAO-SAMD21-SMD, XIAO-nRF52840-SMD, XIAO-SAMD21-DIP, XIAO-RP2040-DIP and XIAO-nRF52840-DIP.

From the project

sinismylastname's hackpad design, first blueprint project

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.

XIAO, from the project README
From the project README

Main components on the XIAO

XIAO-SAMD21-SMDXIAO-RP2040-SMDXIAO-nRF52840-SMDXIAO-SAMD21-DIPXIAO-RP2040-DIPXIAO-nRF52840-DIPXIAO-ESP32-C6-SMDXIAO-ESP32-C3-SMDXIAO-ESP32-S3-SMDXIAO-ESP32-C6-DIPXIAO-ESP32-S3-DIPXIAO-ESP32-C3-DIPXIAO-RP2350-SMDXIAO-R4-SMDXIAO-RP2350-DIPXIAO-R4-DIPXIAO-ESP32-C5-SMDXIAO-ESP32-S3-Plus-SMDXIAO-MG24-SMDXIAO-nRF54l15-SMDXIAO-nRF52840-Plus-SMD

XIAO bill of materials (BOM)

21 components, 21 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
XIAO-SAMD21-SMD
U1
1
XIAO-RP2040-SMD
U2
1
XIAO-nRF52840-SMD
U3
1
XIAO-SAMD21-DIP
U4
1
XIAO-RP2040-DIP
U5
1
XIAO-nRF52840-DIP
U6
1
XIAO-ESP32-C6-SMD
U7
1
XIAO-ESP32-C3-SMD
U8
1
XIAO-ESP32-S3-SMD
U9
1
XIAO-ESP32-C6-DIP
U10
1
XIAO-ESP32-S3-DIP
U11
1
XIAO-ESP32-C3-DIP
U12
1
XIAO-RP2350-SMD
U13
1
XIAO-R4-SMD
U14
1
XIAO-RP2350-DIP
U16
1
XIAO-R4-DIP
U17
1
XIAO-ESP32-C5-SMD
U18
1
XIAO-ESP32-S3-Plus-SMD
U19
1
XIAO-MG24-SMD
U20
1
XIAO-nRF54l15-SMD
U21
Show 1 more
QtyPartRefs
1
XIAO-nRF52840-Plus-SMD
U22

XIAO design files

The KiCad project lives in the sinismylastname/SinHackpad repository on GitHub; these links point at the commit this page was built from.

XIAO: common questions

What microcontroller does the XIAO use?

The XIAO is built around the XIAO-RP2040-SMD, from the RP2040/RP2350 family.

How big is the XIAO PCB?

The XIAO measures 203.1 × 125.1 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the XIAO?

21 components, from 21 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 XIAO design files?

From the sinismylastname/SinHackpad 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 XIAO design in my own project?

The repository has no license, so all rights stay with sinismylastname. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the XIAO without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug RP2040/RP2350 firmware against it before you order a PCB.

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