https://devzone.nordicsemi.com/f/nordic-q-a/117583/pin-9-configurationI have an application that tries to configure pin 9 of port 0 on the nrf52840. this pin is reserved for NFC use. in one application it was enough to add: &amp; uicr { nfct-pins-as-gpios ; }; to the device tree. I tried to implement the same logicen-USTelligent Community 13Fri, 27 Dec 2024 19:06:25 GMThttps://devzone.nordicsemi.com/thread/516384?ContentTypeID=1Fri, 27 Dec 2024 19:06:25 GMT137ad170-7792-4731-bb38-c0d22fbe4515:145af7e2-e3a9-435d-8516-ba08fa3133bbNaeem Maroof<p>Hi,</p> <p>Yes, we need to add that snippet to the overlay. I am not sure what you were doing in previous application and in this application, but you can always try to debug to pin point the issue.</p> <p>We have a lesson on DevAcademy about <a href="https://academy.nordicsemi.com/courses/nrf-connect-sdk-intermediate/lessons/lesson-2-debugging/">debugging and troubleshooting</a>. You can go to exercise 2 to use the addr2line.</p><div style="clear:both;"></div>