https://devzone.nordicsemi.com/f/nordic-q-a/59041/rtt-viewer-problemHello, I am developing using nrf51822 and J-Link. In the Keil4 version, the RTT viewer worked fine, and only the project was migrated to the keil5 version, but the RTT viewer doesn&#39;t work. The code and configuration was not changed. What isen-USTelligent Community 13Mon, 23 Mar 2020 02:56:27 GMThttps://devzone.nordicsemi.com/thread/241018?ContentTypeID=1Mon, 23 Mar 2020 02:56:27 GMT137ad170-7792-4731-bb38-c0d22fbe4515:6fce3527-ef24-41ee-8535-2f77be9034d5air<p>I knew that was reset order between BD/J-Link.</p> <p>It&#39;s not DK BD.</p> <p>1st power(USB) is for J-link and 2nd power(power supply) is my BD.</p> <p>In this order RTT viewer works well.</p> <p></p> <p>Thaks for your interests.</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/239953?ContentTypeID=1Mon, 16 Mar 2020 10:43:55 GMT137ad170-7792-4731-bb38-c0d22fbe4515:96961ab8-7916-4c40-a179-e920517f49c3Hakon<p>Hello,</p> <p>are you able to flash the application? Are you using DK or custom board?</p><div style="clear:both;"></div>