Returning a notification (master to peripheral) Modified ble_app_hrs_c examplehttps://devzone.nordicsemi.com/f/nordic-q-a/40094/returning-a-notification-master-to-peripheral-modified-ble_app_hrs_c-exampleHi again! I&#39;m trying to send/receive data between an nRF51(master) and a AVR/HM-11(serial/BLE module)(peripheral) After following this visualgdb.com/.../&#160; tutorial based on the SDK 10 - ble_app_hrs_c example, I am able to receive my data/notificationen-USTelligent Community 13Thu, 01 Nov 2018 16:20:06 GMTRE: Returning a notification (master to peripheral) Modified ble_app_hrs_c examplehttps://devzone.nordicsemi.com/thread/155627?ContentTypeID=1Thu, 01 Nov 2018 16:20:06 GMT137ad170-7792-4731-bb38-c0d22fbe4515:48a9aa90-f724-49d1-87e0-7892a5f70f52PaulP<p>Ahhh.. never mind, I got it!</p> <p>In the <span>write_params</span> I changed:</p> <p><span>.handle = m_conn_handle,</span></p> <p><span>to</span></p> <p><span>.handle = p_ble_evt-&gt;evt.gattc_evt.params.hvx.handle,</span></p> <p><span>And now my peripheral is receiving the reply notification :)... and on to the next &#39;issue&#39;!</span></p> <p><span></span></p> <p><span>Thanks anyways</span></p> <p><span>PaulP</span></p><div style="clear:both;"></div>