2 layers50.8 × 24.1 mm

Embedded debug
stephendpmurphy/embedded-debug
The embedded debug board can be used to provide access to Target MCU debug UART lines carried on unused traces of a 10pin SWD connector
23 parts2CC-BY-SA-4.0
KiCad boards from 1 GitHub repository tagged “firmware-development”, the most starred first; open any of them in PCBKit.

stephendpmurphy/embedded-debug
The embedded debug board can be used to provide access to Target MCU debug UART lines carried on unused traces of a 10pin SWD connector