Nrf52840マイクロ開発キット,オプションのUSBコネクタ,Bluetooth 5/スレッド/zigbee/802.15.4/Raspberry pi 4b用|Demo Board Accessories| - AliExpress
Mohammad Afaneh on Twitter: "Hot new tutorial 🔥: #nRF52840 USB Dongle + #nRFConnect tutorial. At just **$10**, this little device is a no-brainer, whether you want a cheap fully featured #Bluetooth5 dev
NRF52840-DONGLE Nordic Semiconductor, USB-Dongle, Bluetooth 5.0, Produktreihe NRF52 | Farnell DE
nRF52840 USB Key with TinyUF2 Bootloader - Bluetooth Low Energy [MDBT50Q-RX] : ID 5199 : $15.95 : Adafruit Industries, Unique & fun DIY electronics and kits