https://devzone.nordicsemi.com/f/nordic-q-a/104717/problem-in-pin-configuration-nrf5340-sdk-2-4-0hello, i am using nrf5340 and i have migrated my code from 1.9.1 to 2.4.0 righnow i am facing a strange problem the following code work&#39;s well in sdk 1.9.1 but not in 2.4.0 is there something else changed in pin configuration or do i have to add pinen-USTelligent Community 13Mon, 16 Oct 2023 14:33:07 GMThttps://devzone.nordicsemi.com/thread/450623?ContentTypeID=1Mon, 16 Oct 2023 14:33:07 GMT137ad170-7792-4731-bb38-c0d22fbe4515:a3d8ce04-60df-4294-8d3f-fa8d6695ae7a&#216;ivind<p>Hi,</p> <p>Is uart0 disabled in your overlay? The pins you are using are by default used for uart0.</p> <p>Take a look at zephyr/samples/basic/blinky. Does it work if you use the same api as is used there?</p><div style="clear:both;"></div>