.. zephyr:code-sample:: legacy_bluetooth_hci_usb
   :name: Legacy HCI USB
   :relevant-api: hci_raw bluetooth _usb_device_core_api

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

Overview
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Make a USB Bluetooth dongle out of Zephyr.

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

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