Datasheet

The Adafruit Feather nRF52 Pro ships pre-programmed with the Mynewt serial bootloader that allows you to flash

firmware to the device directly from the command-line using the on-board USB Serial converter and the 'newtmgr' tool,

so you can get started right away with no additional hardware required. For more advanced debugging, however, you

can use a Segger J-Link and the on-board SWD debug connector, which gives you access to a more powerful set of

development tools and options.

We also have a custom Mynewt Manager (https://adafru.it/yBv) application that we've written for iOS that allows you to

perform over the air firmware updates, and get live updates of the tasks running in the task manager, or to see any

statistics generated by the internal reporting systems that are part of the OS.