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Adafruit Industries, Unique & fun DIY electronics and kits nRF52840 USB Key with TinyUF2 Bootloader - Bluetooth Low Energy [MDBT50Q-RX] : ID 5199 - This USB dongle/key type thing is a little unusual - it isn't a BLE adapter that you plug into a computer to add wireless capability. (If you do want something like that, our Bluetooth 4.0 USB Module will do the job nicely.) Instead, this is basically a minimal nRF52840 wireless microcontroller
This USB dongle/key type thing is a little unusual - it isn't a BLE adapter that you plug into a computer to add wireless capability. (If you do want something like that, our Bluetooth 4.0 USB Module will do the job nicely.) Instead, this is basically a minimal nRF52840 wireless microcontroller dev board on a stick. You can program it in Arduino or CircuitPython and it's completely standalone. This could be useful for some situations where you want to have a standalone BLE device that communicates with a USB host but without dealing with the operating system's BLE stack.
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nRF52840 USB Key with TinyUF2 Bootloader - Bluetooth Low Energy (MDBT50Q-RX)
nRF52840 USB Key with TinyUF2 Bootloader - Bluetooth Low Energy [MDBT50Q-RX] : ID 5199 : $15.95 : Adafruit Industries, Unique & fun DIY electronics and kits
adafruit-nRF52840 USB Key with TinyUF2 Bootloader - Bluetooth Low Energy ADA5199
Adafruit Feather nRF52840 Express ADA4062
nRF52840 Bluetooth Low Energy Module with USB [MDBT50Q-1MV2] : ID 4078 : $12.95 : Adafruit Industries, Unique & fun DIY electronics and kits
Adafruit Feather nRF52840 Express : ID 4062 : $24.95 : Adafruit Industries, Unique & fun DIY electronics and kits
nRF52840 Micro Dev Kit USB Dongle : Electronics
nRF52840 USB Key with TinyUF2 Bootloader - Bluetooth Low Energy [MDBT50Q-RX] : ID 5199 : $15.95 : Adafruit Industries, Unique & fun DIY electronics and kits