https://devzone.nordicsemi.com/f/nordic-q-a/36240/changing-uuid-valuesHello! I&#39;m trying to understand a bit better how to modify the UUIDs. I&#39;m using the ble_app_blinky, sdk 15 and SES. 1.- In the example i can read 0 or 1 according to the button state. What i want to modify is that every 3 clicks it sends a 2 insteaden-USTelligent Community 13Tue, 10 Jul 2018 14:35:40 GMThttps://devzone.nordicsemi.com/thread/139606?ContentTypeID=1Tue, 10 Jul 2018 14:35:40 GMT137ad170-7792-4731-bb38-c0d22fbe4515:99bc8c99-be9a-4737-80aa-4330689829acSigurd<p>Hi,</p> <p>1) Use the function&nbsp;<em>ble_lbs_on_button_change(m_conn_handle, &amp;m_lbs, button_action)</em> to send the value.&nbsp;The value of&nbsp;<em>button_action&nbsp;</em>is the value that is sent, so just use 2 instead of button_action.</p> <p>2) In <a href="https://www.nordicsemi.com/eng/Products/Nordic-mobile-Apps/nRF-Connect-for-Mobile">nRFConnect app</a> on the phone, try to refresh the device cache, and see if the UUID changes after that.&nbsp;</p> <p><img src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/pastedimage1531233254711v1.png" alt=" " /></p><div style="clear:both;"></div>