微處理器 - Nordic Semiconductor nRF52840 (ProMicro NRF52840) - 安裝nrf-command-line-tools


參考資訊：
https://www.nordicsemi.com/Products/Development-tools/nRF-Command-Line-Tools/Download

$ cd
$ wget https://nsscprodmedia.blob.core.windows.net/prod/software-and-other-downloads/desktop-software/nrf-command-line-tools/sw/versions-10-x-x/10-24-2/nrf-command-line-tools_10.24.2_amd64.deb
$ sudo dpkg -i nrf-command-line-tools_10.24.2_amd64.deb
$ nrfjprog --version
    nrfjprog version: 10.24.2 external
    JLinkARM.dll version: 8.12

安裝完成後，就可以在Arduino IDE看到Bootloader DFU for Bluefruit nRF52