This is an adapter from the standard 10pin 0.05in pitch ARM Cortex JTAG/SWD connector and Black Magic Probe 4pin Molex Pico Blade UART Serial to a variety of proprietary Drone Code Debug connectors.
This is a useful accessory for connecting your Black Magic Probe JTAG/SWD adapter to Drone Code based autopilot hardware. If you want to be able to step through your Drone Code program execution and receive serial data from your controller.
The adapter comes pre-soldered.