https://devzone.nordicsemi.com/f/nordic-q-a/34009/observer-and-peripheralHi! I have an observer that listens for advertises from just one ble switch. I can control the leds on the nRF52 DK with the switch. Now i want to connect to nrf connect and control the leds from my phone. I have tried to use the ble_app_hrs_rscs_relayen-USTelligent Community 13Thu, 03 May 2018 12:27:00 GMThttps://devzone.nordicsemi.com/thread/130807?ContentTypeID=1Thu, 03 May 2018 12:27:00 GMT137ad170-7792-4731-bb38-c0d22fbe4515:e3d72fa7-c8b6-4aa6-9229-e8ae80bcb374Martin Lesund<p>Hi William,</p> <p>&nbsp; I would&nbsp; instead recommend you to use the &quot;ble_app_uart&quot; example as reference and use the app nRF Toolbox (uart app).</p> <p>&nbsp;</p> <p>Check out <a href="https://github.com/bjornspockeli/nordic_workshop">this tutorial</a>&nbsp;(its an older SDK, but it should not be a problem using the newest one)&nbsp;</p> <p>- Task 1 in that tutorial shows you how to turn on leds with your phone</p><div style="clear:both;"></div>