https://devzone.nordicsemi.com/f/nordic-q-a/117570/how-nrf52820-config-pin-to-output-logDear nordic: There is a problem while debugging the nrf52820 based on ncs v2.6.0 I wanna see the log via debug but failed, the circuitry is as the pic.How I can config the pin and prj.conf file to enable debug to output my log via &quot;printf()&quot; or &quot;LOG_INFen-USTelligent Community 13Fri, 03 Jan 2025 03:11:52 GMThttps://devzone.nordicsemi.com/thread/516723?ContentTypeID=1Fri, 03 Jan 2025 03:11:52 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ef854540-a198-47b7-be77-b9b9a2783589Martin Evans<p>I have solved it by adding&nbsp;</p> <div> <div><span>&quot;CONFIG_LOG_BUFFER_SIZE</span><span>=&quot;</span></div> <div><span>to prj.conf file.Thanx so much!</span></div> <div></div> </div><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/516376?ContentTypeID=1Fri, 27 Dec 2024 15:26:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ed25c095-602e-42b5-a633-c4f42bd84f66Hung Bui<p>Hi Martin,&nbsp;<br /><br />Have you defined your own board files ?&nbsp;<br />You can either change the pin in the dts file of your board files or you can change it using an overlay.&nbsp;</p> <p>By default (in most case) the log or console use uart0 .</p> <p>You can make an overlay file to change uart0 pins, you can take a look here:&nbsp;&nbsp;<a href="https://devzone.nordicsemi.com/f/nordic-q-a/93648/change-uart-port">Change UART port</a>&nbsp;</p> <p>You will need to name your .overlay file to match with your board name.&nbsp;</p><div style="clear:both;"></div>