MSPBMP2-stick
About the MSPBMP2-stick PCB
MSPBMP2-stick is an open source STM32 PCB design by grumat, published on GitHub under the GPL-2.0 license. It is a 2-layer board measuring 51.5 × 20 mm, with 48 components from 34 distinct parts.
Its main chip is the AD8531ARTZ, from the STM32 family. Other key parts include the AMS1117-3.3, 74LVC2T45DC and TXS0108EPWR. By type, the board carries 23 capacitors, 13 resistors, 4 ICs, 3 connectors, 2 diodes and 1 crystal.
It belongs with the usb & debug tools designs in this gallery.
From the project
Glossy MSP430 - Embedded GDB Debugger for MSP430
The second option uses the same principle, but is a more compact option, and uses the form factor of the ST-Link baite version.
[](https://wiki.cuvoodoo.info/lib/exe/fetch.php?cache=&media=jtag:baitedonglefront.jpg)
I've just bough on Amazon or AliExpress both ST-Link devices and replaced the contents by the PCB's. The PCB's were produced by JLCPCB, which already mounted the SMD components, helping much on the final result.
Main components on the MSPBMP2-stick
MSPBMP2-stick bill of materials (BOM)
48 components, 34 distinct parts — part numbers from the project's BOM.
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | AMS1117-3.3 | SOT-89-3 | U1 |
| 1 | AD8531ARTZ STM32L432KBU6 | QFN-32-1EP_5x5mm_P0.5mm_EP3.45x3.45mm | U2 |
| 1 | 74LVC2T45DC AD8531ARTZ | SOT-23-5_HandSoldering | U3 |
| 1 | TXS0108EPWR | TSSOP-20_4.4x6.5mm_P0.65mm | U4 |
| 1 | 32768 7pF | Crystal_SMD_G8-2Pin_3.2x1.5mm_HandSoldering | Y1 |
| 1 | 48037-0001 | MOLEX_48037-0001 | J1 |
| 1 | JTAG | PinHeader_2x07_P2.54mm_Horizontal | J2 |
| 1 | SWD | PinHeader_2x05_P1.27mm_Vertical_SMD | J3 |
| 1 | 0603L010YR | Fuse_0603_1608Metric_Pad1.05x0.95mm_HandSolder | F1 |
| 1 | VCC_SEL | SolderJumper-3_P1.3mm_Bridged12_RoundedPad1.0x1.5mm_NumberLabels | JP1 |
| 1 | GREEN | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D1 |
| 1 | RED | LED_0603_1608Metric_Pad1.05x0.95mm_HandSolder | D2 |
| 1 | 100NF 100nF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C1 |
| 2 | 10UF 33pF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C2, C3 |
| 1 | 1NF 220nF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C4 |
| 1 | 100NF 10uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C5 |
| 3 | 100NF 220nF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C6, C9, C10 |
| 1 | 10UF 22uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C7 |
| 1 | 10UF 220nF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C8 |
| 1 | 100NF 10uF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C11 |
Show 14 more
| Qty | Part | Footprint | Refs |
|---|---|---|---|
| 1 | 100NF 4.7pF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C12 |
| 1 | 4.7pF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C13 |
| 6 | 220nF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C14, C17, C18, C19, C21, C23 |
| 3 | 10uF | C_0402_1005Metric_Pad0.74x0.62mm_HandSolder | C15, C16, C20 |
| 1 | 22uF | C_0603_1608Metric_Pad1.08x0.95mm_HandSolder | C22 |
| 2 | 47K 22 | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R1, R2 |
| 1 | 4K7 100K | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R3 |
| 1 | 4K7 100 | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R4 |
| 1 | 150 1K | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R5 |
| 1 | 10K 1K | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R6 |
| 1 | 100K | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R7 |
| 1 | 47K | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R8 |
| 3 | 4k7 | R_0402_1005Metric_Pad0.72x0.64mm_HandSolder | R9, R10, R11 |
| 2 | 10K 33 | R_Array_Convex_4x0402_hand_soldered | RN1, RN2 |
MSPBMP2-stick design files
The KiCad project lives in the grumat/glossy-msp430 repository on GitHub; these links point at the commit this page was built from.
MSPBMP2-stick: common questions
What microcontroller does the MSPBMP2-stick use?
The MSPBMP2-stick is built around the AD8531ARTZ, from the STM32 family.
How big is the MSPBMP2-stick PCB?
The MSPBMP2-stick measures 51.5 × 20 mm, has 2 copper layers and is 1.6 mm thick.
How many components are on the MSPBMP2-stick?
48 components, from 34 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 MSPBMP2-stick design files?
From the grumat/glossy-msp430 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 MSPBMP2-stick design in my own project?
Yes, under the terms of its GPL-2.0 license, which grumat chose for the repository.
Can I test firmware for the MSPBMP2-stick 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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