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SDM25 IMU STM32

sundevilmotorsports·pcb-dev·PRE2026/SDM25_IMU_STM32/SDM25_IMU_STM32.kicad_pcb

SDM25 IMU STM32 PCB layout, top view — open source STM32 board by sundevilmotorsports
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About the SDM25 IMU STM32 PCB

SDM25 IMU STM32 is an open source STM32 PCB design by sundevilmotorsports, published on GitHub. It is a 4-layer board measuring 32.9 × 46.7 mm, with 39 components from 32 distinct parts.

Its main chip is the USBLC6-2SC6, from the STM32 family. Other key parts include the SN65HVD230, MIC37100-3.3WS, 24LC01BT-E/LT and ISM330DHCXTR. By type, the board carries 15 capacitors, 9 resistors, 6 ICs, 3 diodes, 2 connectors and 2 jumpers.

It belongs with the sensors designs in this gallery.

From the project

PCB development repository

Main components on the SDM25 IMU STM32

USBLC6-2SC6SN65HVD230MIC37100-3.3WS24LC01BT-E/LTISM330DHCXTR

SDM25 IMU STM32 bill of materials (BOM)

39 components, 32 distinct parts — part numbers from the project's BOM.

QtyPartRefs
1
USBLC6-2SC6
STM32F405RGT6
U1
1
SN65HVD230
U2
1
MIC37100-3.3WS
U3
1
USBLC6-2SC6
U4
1
24LC01BT-E/LT
U5
1
ISM330DHCXTR
U6
1
12MHz
Y1
1
JST-XH
J1
1
CONN_01X04_SOCKET
USB_B_Micro
J2
1
BOOT
JP1
1
Bus Termination
JP2
1
GREEN
D1
2
TVS
D2, D3
1
120R
FB1
2
100NF
100nF
C1, C3
2
1UF
100nF
C2, C6
2
1UF
2.2uF
C4, C5
2
4.7UF
1uF
C7, C8
1
100NF
10pF
C9
1
10UF
10pF
C10
Show 12 more
QtyPartRefs
1
100nF
C11
2
10uF
C12, C13
2
100 nF
C14, C15
1
10K
220
R1
1
10K
10k
R2
1
120
R3
1
2.2K
10k
R4
1
2.7k
R5
1
2.2K
2.7k
R6
1
22.1K
2.2k
R7
1
2.2k
R8
1
47.5K
10k
R9

SDM25 IMU STM32 design files

The KiCad project lives in the sundevilmotorsports/pcb-dev repository on GitHub; these links point at the commit this page was built from.

SDM25 IMU STM32: common questions

What microcontroller does the SDM25 IMU STM32 use?

The SDM25 IMU STM32 is built around the USBLC6-2SC6, from the STM32 family.

How big is the SDM25 IMU STM32 PCB?

The SDM25 IMU STM32 measures 32.9 × 46.7 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the SDM25 IMU STM32?

39 components, from 32 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 SDM25 IMU STM32 design files?

From the sundevilmotorsports/pcb-dev 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 SDM25 IMU STM32 design in my own project?

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

Can I test firmware for the SDM25 IMU STM32 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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