.. zephyr:code-sample:: bluetooth_hci_usb
   :name: HCI USB
   :relevant-api: hci_raw bluetooth _usb_device_core_api usbd_api

   Turn a Zephyr board into a USB Bluetooth dongle (compatible with all operating systems).

Overview
********

Make a USB Bluetooth dongle out of Zephyr. Requires USB device support from the
board it runs on (e.g. :ref:`nrf52840dk_nrf52840` supports both Bluetooth LE and USB).

Requirements
************

* Bluetooth stack running on the host (e.g. BlueZ)
* A board with Bluetooth and USB support in Zephyr

Building and Running
********************
This sample can be found under :zephyr_file:`samples/bluetooth/hci_usb` in the
Zephyr tree.

See :zephyr:code-sample-category:`bluetooth` samples for details.