https://devzone.nordicsemi.com/f/nordic-q-a/96442/flash-board-without-j-link-debuggingI&#39;m working with the XIAO nRF52840 board by Seeed Studio , a very small board with little more than just the chip. I added the board files for it and everything builds fine, but the board will not appear under connected devices and I am thus seeminglyen-USTelligent Community 13Wed, 08 Feb 2023 13:05:28 GMThttps://devzone.nordicsemi.com/thread/408871?ContentTypeID=1Wed, 08 Feb 2023 13:05:28 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a2939449-dcd2-435c-8177-3de958208b4fEinar Thorsrud<p>I see the board ships with an Arduino bootloader, and you already got a link to documentation about that. We do not support that directly, so if you want to work with supported tools I would recommend obtaining a J-Link debugger of some sort. If you want to use the board with the Arduino tools, it will work out of the box. I suggest you direct questions to the Arduino community if you want to work with the Arduino bootloader, though.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/408729?ContentTypeID=1Wed, 08 Feb 2023 05:31:42 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0f4d7399-8f9c-4c95-aa4a-79578d5f2d2bufocia<p><a href="https://micropython.org/download/seeed_xiao_nrf52/">micropython.org/.../</a></p><div style="clear:both;"></div>