Mdhubv2
About the Mdhubv2 PCB
Mdhubv2 is an open source STM32 PCB design by 22060, published on GitHub. It is a 2-layer board measuring 92 × 47.2 mm, with 42 components from 22 distinct parts.
Its main chip is the STM32G0B1CBTx, from the STM32 family. Other key parts include the SOP-J8. By type, the board carries 21 connectors, 7 resistors, 4 capacitors, 3 ICs, 2 switches and 2 LEDs.
From the project
git clone https://github.com/22060/2025 --recursive
Main components on the Mdhubv2
Mdhubv2 bill of materials (BOM)
42 components, 22 distinct parts.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | STM32G0B1CBTx | LQFP-48_7x7mm_P0.5mm | U1 |
| 2 | SOP-J8 | SOP-J8 | U2, U3 |
| 1 | IQXO-70 | Oscillator_SMD_IQD_IQXO70-4Pin_7.5x5.0mm | X1 |
| 1 | USB_C_Receptacle_USB2.0_14P | USB_C_Receptacle_aitendo | J1 |
| 1 | Conn_01x04_Pin | Molex_KK-254_AE-6410-04A_1x04_P2.54mm_Vertical | J2 |
| 4 | Conn_01x05_Pin | JST_XH_B5B-XH-A_1x05_P2.50mm_Vertical | J3, J4, J5, J6 |
| 2 | Conn_02x03_Counter_Clockwise | PinHeader_2x03_P2.54mm_Vertical | J7, J8 |
| 2 | Conn_01x04_Pin | PinHeader_1x04_P2.54mm_Horizontal | J12, J20 |
| 2 | Conn_01x02_Pin | JST_XH_S2B-XH-A_1x02_P2.50mm_Horizontal | J14, J15 |
| 2 | Conn_01x02_Pin | AMASS_XT30U-F_1x02_P5.0mm_Vertical | J19, J21 |
| 2 | Conn_01x02_Pin | AMASS_XT60PW-M_1x02_P7.20mm_Horizontal | J22, J25 |
| 5 | Conn_01x03_Pin | JST_XH_B3B-XH-A_1x03_P2.50mm_Vertical | J26, J27, J28, J29, J30 |
| 1 | BU33TD3WG | SSOP5 | DCDC1 |
| 2 | SW_Wuerth_450301014042 | SW_Slide-03_Wuerth-WS-SLTV_10x2.5x6.4_P2.54mm | SW1, SW2 |
| 2 | LED | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | LED1, LED2 |
| 1 | L | L_0603_1608Metric | L1 |
| 3 | 0.1u | C_0603_1608Metric | C1, C2, C3 |
| 1 | 10u(DFP | C_0603_1608Metric | C4 |
| 2 | 5.1k | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R2, R3 |
| 2 | 165 | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R4, R5 |
Show 2 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 2 | R | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R8, R9 |
| 1 | fuse | R_0603_1608Metric_Pad0.98x0.95mm_HandSolder | R10 |
Mdhubv2 design files
The KiCad project lives in the 22060/2025 repository on GitHub; these links point at the commit this page was built from.
Mdhubv2: common questions
What microcontroller does the Mdhubv2 use?
The Mdhubv2 is built around the STM32G0B1CBTx, from the STM32 family.
How big is the Mdhubv2 PCB?
The Mdhubv2 measures 92 × 47.2 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the Mdhubv2?
42 components, from 22 distinct parts. The full bill of materials is listed on this page.
Where can I download the Mdhubv2 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 Mdhubv2 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 Mdhubv2 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: MDhub
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