HardLabs

STM32U031 board

bwindrim·KiCAD·STM32U031_board/STM32U031_board.kicad_pcb

STM32U031 board layout, top view — open source STM32 board by bwindrim

About the STM32U031 board

STM32U031 board is an open source STM32 PCB design by bwindrim, published on GitHub. It is a 2-layer board measuring 51 × 21 mm, with 10 components from 9 distinct parts.

Its main chip is the STM32U031K8Ux, from the STM32 family. Other key parts include the TPSM365R6V3RDNR. By type, the board carries 6 connectors, 2 ICs and 2 capacitors.

Main components on the STM32U031 board

STM32U031K8UxTPSM365R6V3RDNR

STM32U031 board bill of materials (BOM)

10 components, 9 distinct parts.

QtyPartRefs
1
STM32U031K8Ux
U1
1
TPSM365R6V3RDNR
U3
1
Conn_01x20
J1
1
Conn_01x20
J2
1
SWD
J3
1
UART
J4
1
QT/ST
J5
1
3.6-15V in
J6
2
100nF
C3, C4

STM32U031 board design files

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

STM32U031 board: common questions

What microcontroller does the STM32U031 board use?

The STM32U031 board is built around the STM32U031K8Ux, from the STM32 family.

How big is the STM32U031 board?

The STM32U031 board measures 51 × 21 mm, has 2 copper layers and is 1.6 mm thick.

How many components are on the STM32U031 board?

10 components, from 9 distinct parts. The full bill of materials is listed on this page.

Where can I download the STM32U031 board design files?

From the bwindrim/KiCAD repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the STM32U031 board design in my own project?

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

Can I test firmware for the STM32U031 board without the hardware?

Yes. HardLabs builds a simulation of the board from its netlist and BOM, so you can run and debug STM32 firmware against it before you order a PCB.

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