HardLabs

MD mini v2

22060·2025·kicad/MD_mini/MD_mini_v2.kicad_pcb

MD mini v2 PCB layout, top view — open source STM32 board by 22060

About the MD mini v2 PCB

MD mini v2 is an open source STM32 PCB design by 22060, published on GitHub. It is a 4-layer board measuring 49.3 × 49.9 mm, with 76 components from 23 distinct parts.

Its main chip is the STM32C092KBT6, from the STM32 family. Other key parts include the IRS2003, BD4104, ACS711xEXLT-15AB and ADuM1201AR. By type, the board carries 21 resistors, 17 capacitors, 10 diodes, 9 ICs, 8 transistors and 8 connectors.

From the project

git clone https://github.com/22060/2025 --recursive

Main components on the MD mini v2

IRS2003BD4104ACS711xEXLT-15ABADuM1201ARSTM32C092KBT6

MD mini v2 bill of materials (BOM)

76 components, 23 distinct parts.

QtyPartRefs
4
IRS2003
U1, U3, U7, U8
1
BD4104
U2
2
ACS711xEXLT-15AB
U4, U6
1
ADuM1201AR
U5
1
STM32C092KBT6
U11
8
~
Q1, Q2, Q3, Q4, Q5, Q6, Q7, Q8
1
Conn_01x02_Pin
J1
1
Conn_02x05_Odd_Even
J2
2
Conn_01x02_Pin
J3, J4
2
Conn_01x05_Pin
J5, J6
2
Conn_01x04_Pin
J7, J8
3
~
NJM78L05SU1, NJM78L12SU3, NJM78L33SU1
4
D
D1, D2, D3, D4
6
LED
D5, D6, D7, D8, D9, D10
8
1u
C1, C2, C3, C4, C5, C6, C7, C8
2
C
C9, C10
3
min0.33u
C11, C14, C25
3
0.1u
C12, C13, C23
1
C
C24
8
10
R1, R2, R5, R6, R8, R9, R11, R12
Show 3 more
QtyPartRefs
7
10k
R3, R4, R10, R15, R16, R17, R18
1
01k
R7
5
R
R13, R14, R19, R20, R43

MD mini v2 design files

The KiCad project lives in the 22060/2025 repository on GitHub; these links point at the commit this page was built from.

MD mini v2: common questions

What microcontroller does the MD mini v2 use?

The MD mini v2 is built around the STM32C092KBT6, from the STM32 family.

How big is the MD mini v2 PCB?

The MD mini v2 measures 49.3 × 49.9 mm, has 4 copper layers and is 1.6 mm thick.

How many components are on the MD mini v2?

76 components, from 23 distinct parts. The full bill of materials is listed on this page.

Where can I download the MD mini v2 design files?

From the 22060/2025 repository on GitHub, which has the KiCad layout and the schematic; the links under Design files point to each one.

Can I use the MD mini v2 design in my own project?

The repository has no license, so all rights stay with 22060. Use it as a reference, and ask the author before reusing the design.

Can I test firmware for the MD mini v2 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.

More boards in 2025

Earlier revisions in the repo: MD_mini

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