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BOM & READMEADME
Apr 11, 2026
cb2a3e7 · · Apr 11, 2026

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CAD
CAD
Apr 11, 2026
CODE/debugprobe
CODE/debugprobe
Apr 11, 2026
PICS
PICS
Apr 11, 2026
debugger
debugger
Apr 11, 2026
2026-04-11T103348.xlsx
2026-04-11T103348.xlsx
Apr 11, 2026
LICENSE
LICENSE
Apr 10, 2026
MINIDBG-bom.csv
MINIDBG-bom.csv
Apr 11, 2026
MINIDBG.code-workspace
MINIDBG.code-workspace
Apr 11, 2026
PCB.step
PCB.step
Apr 11, 2026
README.md
README.md
Apr 11, 2026

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MINIDBG

MINIDBG is a RP2040 based debugger allowing debugging of all major interfaces(JTAG,SWD,SPI,I2C) from a PC over USB.

WHY

I designed MINIDBG because it is always annoying to have find my SEGGER J-Link and use the segger software comapred to being able to just start up openocd using thr rp2040.

PICTURES

schematic pcb pcb base assembly

BOM

Name Purpose Quantity Total Cost (USD) Link Distributor
Solder paste to solder the components to the pcb 1 3.88 https://www.aliexpress.us/item/3256809620386958.html?utparam-url=scene%3Asearch%7Cquery_from%3A%7Cx_object_id%3A1005009806701710%7C_p_origin_prod%3A1005008590694612 Aliexpress
SPI flash hold program 1 0.55 https://www.digikey.com/en/products/detail/winbond-electronics/W25Q16JVSNIQ/6193768 Digikey
RP2040 main mcu 1 0.70 https://www.digikey.com/en/products/detail/raspberry-pi/SC0914-13/14306010?s=N4IgjCBcoLQExVAYygFwE4FcCmAaEA9lANogCsIAugL74wBsiIKkGO%2BRkpAzCPgjToBOJizZ5CJEL3wQatEAi4gASgAU4ABgAsmqtSA Digikey
micro usb connector data and pwr 1 0.88 https://www.digikey.com/en/products/detail/hirose-electric-co-ltd/ZX62-AB-5PA-31/5983064 Digikey
3.3v LDO power regulation 1 2.99 https://www.digikey.com/en/products/detail/microchip-technology/MIC68200-3-3YML-TR/1617176?s=N4IgjCBcoCwdIDGUBmBDANgZwKYBoQB7KAbRAGYYB2GciAXQIAcAXKEAZRYCcBLAOwDmIAL4EwVKgE4ooZJHTZ8RUuBoAmAKwAOEIxCt2XPkNFiQ61eQB05AGoACADIARAPJ6RQA Digikey
10uF capacitor power decoupling 2 0.26 https://www.digikey.com/en/products/detail/yageo/CC0402MRX5R4BB106/5883383 Digikey
12MHz crystal timing for usb 1 0.42 https://www.digikey.com/en/products/detail/ecs-inc/ECS-120-32-5PX-TR/827383 Digikey
32pF cap GQM2195C2E320JB12D clock regulation 2 0.88 https://www.digikey.com/en/products/detail/murata-electronics/GQM2195C2E320JB12D/13401760 Digikey
Tactile button boot/reset pins 2 0.42 https://www.digikey.com/en/products/detail/alps-alpine/SKRPABE010/18768948 Digikey
10K resistor RC0603FR-0710KL power filtering 10 0.06 https://www.digikey.com/en/products/detail/yageo/RC0603FR-0710KL/726880 Digikey
Custom PCB holds all components 5 12.00 PCBWAY
SN74GTL2003PW level shifter ensurse logic level is correct for target device 1 4.43 https://www.digikey.com/en/products/detail/texas-instruments/SN74GTL2003PW/2696355 Digikey

About

MINIDBG is a rp2040 based debugging probe that is fully supported by openocd.

Resources

Readme

License

GPL-3.0 license
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