https://devzone.nordicsemi.com/f/nordic-q-a/4323/best-method-to-set-up-passkey-and-bondingI&#39;m working in the ble_app_lbs example, with a PCA10001 eval board, softdevice 110, and Nordic&#39;s Master Control Panel. In the example code, I&#39;ve changed button 1&#39;s functionality to just toggle LED 1 when pressed (I wanted to make sure my code was seeingen-USTelligent Community 13Wed, 05 Nov 2014 12:23:59 GMThttps://devzone.nordicsemi.com/thread/15407?ContentTypeID=1Wed, 05 Nov 2014 12:23:59 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a2a287ee-dcd2-4ffd-af67-782aa53726fbPetter Myhre<p><a href="http://developer.nordicsemi.com/nRF51_SDK/doc/7.0.1/s110/html/a00858.html">This</a> MSC should be helpful.</p> <p>When you get the <code>BLE_GAP_EVT_SEC_PARAMS_REQUEST</code> event you can simply check if the button is pressed and return <code>sd_ble_gap_sec_params_reply()</code>with <code>BLE_GAP_SEC_STATUS_SUCCESS</code> if it is or for example <code>BLE_GAP_SEC_STATUS_PAIRING_NOT_SUPP</code> if it&#39;s not.</p> <p>You may have to modify the if/else that comes after <code>sd_ble_gap_sec_params_reply()</code> as well, so the peripheral doesn&#39;t believe it&#39;s paired.</p> <p>It seems Master Control Panel will disconnect if pairing fails.</p> <p>I tested this with ble_app_hrs.</p><div style="clear:both;"></div>