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Kicad board-2026-07-24-pulsewristtrack

SimulatedFlow·kicad-board-2026-07-24-pulsewristtrack·_v1_backup/PulseWristTrack.kicad_pcb

Kicad board-2026-07-24-pulsewristtrack layout, top view — open source Nordic nRF board by SimulatedFlow

About the Kicad board-2026-07-24-pulsewristtrack

Kicad board-2026-07-24-pulsewristtrack is an open source Nordic nRF PCB design by SimulatedFlow, published on GitHub under the Custom license license. It is a 4-layer board measuring 36 × 36 mm, with 16 components from 10 distinct parts.

Its main chip is the XIAO nRF52840 Sense, from the Nordic nRF family. Other key parts include the MAX30102 and AP2112K-1.8. By type, the board carries 5 resistors, 4 capacitors, 3 ICs, 2 transistors, 1 connector and 1 switch.

It belongs with the wearables, sensors and iot & wireless designs in this gallery.

From the project

PulseWristTrack - wearable wrist tracker PCB with Seeed XIAO nRF52840 Sense, MAX30102 pulse / SpO2 sensor, IMU and BLE. Bare PCB, KiCad source files.

This repository contains the full design files of a commercial hardware board. It is source-available, not open source: read it, evaluate it, then buy a license to use it. See LICENSE.md (source-available, purchase required).

Get it / Buy: - Order on eBay (this board, bare PCB): https://www.ebay.de/itm/398223633551 - Product page (specs, photos, price): https://simulatedflow.teufel-engineering.com/platinen/2026-07-24-pulsewristtrack/ - eBay store — all our boards and PCB art: https://www.ebay.de/usr/simula-9 - Merch shop (dev & gaming): https://simulatedflow.myspreadshop.de - Merch shop…

Main components on the Kicad board-2026-07-24-pulsewristtrack

XIAO nRF52840 SenseMAX30102AP2112K-1.8

Kicad board-2026-07-24-pulsewristtrack bill of materials (BOM)

16 components, 10 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
XIAO nRF52840 Sense
U1
1
MAX30102
U2
1
AP2112K-1.8
U3
2
BSS138
Q1, Q2
1
LiPo
J1
1
JS202011MQN
SW1
2
10uF
C1, C3
2
1uF
C2, C4
4
4.7k
R1, R2, R3, R4
1
10k
R5

Kicad board-2026-07-24-pulsewristtrack design files

The KiCad project lives in the SimulatedFlow/kicad-board-2026-07-24-pulsewristtrack repository on GitHub; these links point at the commit this page was built from.

Kicad board-2026-07-24-pulsewristtrack: common questions

What microcontroller does the Kicad board-2026-07-24-pulsewristtrack use?

The Kicad board-2026-07-24-pulsewristtrack is built around the XIAO nRF52840 Sense, from the Nordic nRF family.

How big is the Kicad board-2026-07-24-pulsewristtrack?

The Kicad board-2026-07-24-pulsewristtrack measures 36 × 36 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the Kicad board-2026-07-24-pulsewristtrack?

16 components, from 10 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 Kicad board-2026-07-24-pulsewristtrack design files?

From the SimulatedFlow/kicad-board-2026-07-24-pulsewristtrack 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 Kicad board-2026-07-24-pulsewristtrack design in my own project?

It is published under Custom license, which limits how it may be reused; read the license before building on it.

Can I test firmware for the Kicad board-2026-07-24-pulsewristtrack 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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