.. zephyr:code-sample:: ble_central_gatt_write
:name: Central / GATT Write
:relevant-api: bluetooth
Scan for a Bluetooth LE device, connect to it and write a value to a characteristic.
Overview
********
Similar to the :zephyr:code-sample:`ble_central` sample, except that this
application use GATT Write Without Response.
Requirements
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* BlueZ running on the host, or
* A board with Bluetooth LE support
Building and Running
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This sample can be found under :zephyr_file:`samples/bluetooth/central_gatt_write`
in the Zephyr tree.
See :zephyr:code-sample-category:`bluetooth` samples for details.