https://devzone.nordicsemi.com/f/nordic-q-a/42436/help-understanding-troubleshooting-with-rtt-viewerHi there, I am using a nRF52840 development board, I&#39;ve been able to get the blinky app to work. However, when I put the ble_app_blinky on the board, I am unable to discover the device via bluetooth. I&#39;m not sure how to troubleshoot where things areen-USTelligent Community 13Mon, 14 Jan 2019 09:52:31 GMThttps://devzone.nordicsemi.com/thread/165388?ContentTypeID=1Mon, 14 Jan 2019 09:52:31 GMT137ad170-7792-4731-bb38-c0d22fbe4515:2301dd87-4eac-4060-8ba5-bf4e6fdaa95cVidar Berg<p>Hi,</p> <p>The example should work out of the box, maybe you haven&#39;t programmed the <a href="https://www.nordicsemi.com/DocLib/Content/SoftDevice_Spec/s140/latest/SDS/s1xx/mem_usage/mem_resource_map_usage">Softdevice </a>(Nordic BT stack)? The softdevice needs to be programmed&nbsp;separately if you use nRF connect for programming unlike&nbsp;Segger embedded studio which uploads it automatically along with the app FW.&nbsp;To upload code through Segger embedded studio:&nbsp;select &quot;debug&quot; from the menubar&nbsp;then click &quot;Go&quot;.&nbsp;</p> <p>Note that logging is over UART&nbsp;by default, you can change it to RTT by setting the&nbsp;<span>NRF_LOG_BACKEND_RTT_ENABLED&nbsp;symbol to &#39;1&#39; in sdk_config.h. </span><span>&nbsp;</span></p><div style="clear:both;"></div>