Raspberry pi
From Wiki at Neela Nurseries
2022-08-03
RPi Pico board datasheet, contains Pico board schematic:
Some Zephyr documentation on RPi Pico board, Zephyr 3.1.0:
Special fork of `openocd` which can be used to flash and to debug RPi Pico via SWD interface . . . but what would the physical device and connection be from PC to RPi Pico SWD pins?