https://devzone.nordicsemi.com/f/nordic-q-a/51081/multilink-with-uartHi; I am trying to add uart central to multilink central examble. I added some of uart part to multilink. i am trying to link two peripheral to central. when two peripheral are turn on at same time, then central got connected with two peripheral anden-USTelligent Community 13Mon, 19 Aug 2019 13:33:12 GMThttps://devzone.nordicsemi.com/thread/204794?ContentTypeID=1Mon, 19 Aug 2019 13:33:12 GMT137ad170-7792-4731-bb38-c0d22fbe4515:525b7ade-2725-4c0d-89f2-9ef656382c8aAmanda Hsieh<p>Hi,&nbsp;</p> <p></p> <p>Please see the explanation in this <a href="https://devzone.nordicsemi.com/f/nordic-q-a/45596/nrf52-central-nus-report-error-when-call-ble_nus_c_tx_notif_enable-in-ble_nus_c_evt_handler">post</a>.&nbsp;</p> <p>You could solve it by using a bool<span>&nbsp;</span><em>enable_notify:</em></p> <ul> <li>In the start, you set it to false</li> <li>Before you call&nbsp;<em>ble_nus_c_tx_notif_enable()</em>&nbsp;it has to be false</li> <li>After calling&nbsp;<em>ble_nus_c_tx_notif_enable()&nbsp;</em>you set it to true</li> <li>When receiving&nbsp;<em>BLE_GATTC_EVT_WRITE_RSP&nbsp;</em>you set it to false</li> </ul> <p>Please let me know this can help or not.&nbsp;</p> <p></p> <p>-Amanda H</p><div style="clear:both;"></div>