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.. 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 ************ * BlueZ running on the host, or * A board with Bluetooth LE support Building and Running ******************** 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.