Laird Connectivity is now Ezurio/filters:background_color(white)/2024-10/455-00113-Large_3.png)
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Answer
The BT510 sensor is configured using a smartphone via BLE out of the box. It is also possible for a developer to load their own C code onto the BT510 via a programming cable.
The BT510 board does not have an on-board J-Link debug IC as some nRF5x development boards, however, instructions from the Nordic nRF5x Segger J-Link; page also apply to this board, with the additional step of connecting an external debugger.
Ezurio (formerly Laird Connectivity) will provide the USB-SWD programming board that supports this connector layout, refer to the USB SWD Programmer product page