https://devzone.nordicsemi.com/f/nordic-q-a/4584/ble-hid-keyboard-questionsHi, Some questions below about the HID keyboard that refer to the example &quot;/s110/ble_app_hids_keyboard&quot; . What initialize m_advertising_mode value before to call the advertising_start()? I set the value to &quot;BLE_NO_ADV&quot;. (resolveden-USTelligent Community 13Wed, 26 Nov 2014 15:23:57 GMThttps://devzone.nordicsemi.com/thread/16233?ContentTypeID=1Wed, 26 Nov 2014 15:23:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:4c1421a6-22d5-4e5d-bd2e-b7d675836aa5Petter Myhre<p>The compiler sets uninitialized static variables to zero, which corresponds to BLE_NO_ADV. This is not good coding practice, and I will report it, so we can improve it.</p><div style="clear:both;"></div>