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.. _bluetooth-samples:
Bluetooth samples
#################
To build any of the Bluetooth samples, follow the same steps as building
any other Zephyr application. Refer to :ref:`bluetooth-dev` for more information.
Many Bluetooth samples can be run on QEMU or :ref:`native_sim <native_sim>` with support for
external Bluetooth Controllers. Refer to the :ref:`bluetooth-hw-setup` section
for further details.
Several of the bluetooth samples will build a Zephyr-based Controller that can
then be used with any external Host (including Zephyr running natively or with
QEMU or ``native_sim``), those are named accordingly with an "HCI" prefix in the
documentation and are prefixed with :literal:`hci_` in their folder names.
.. note::
If you want to run any bluetooth sample on the nRF5340 device (build using
``-DBOARD=nrf5340dk/nrf5340/cpuapp`` or
``-DBOARD=nrf5340dk/nrf5340/cpuapp/ns``) you must also build
and program the corresponding sample for the nRF5340 network core
:ref:`bluetooth-hci-ipc-sample` which implements the Bluetooth
Low Energy controller.
.. note::
The mutually-shared encryption key created during host-device paring may get
old after many test iterations. If this happens, subsequent host-device
connections will fail. You can force a re-paring and new key to be created
by removing the device from the associated devices list on the host.
.. toctree::
:maxdepth: 1
:glob:
**/*