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  • Case ID: 302548
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Flash board without J-Link/debugging

ZacMid007

I'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 seemingly unable to flash it. Everything I've searched seems to indicate that a J-Link programmer or compatible DK is required to work with a board like this, yet using Arduino I can program it fine, and I can connect via Serial Port from the nRF Terminal within VS Code. Is there no way to flash the board using nRF Connect/Visual Studio Code without some product with a J-Link? If not, how is Arduino able to program the board?

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  • +1

    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.

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  • +1

    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.

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