https://devzone.nordicsemi.com/f/nordic-q-a/64439/nrf9160-uart-issueHello, guys! We are currently developing our firmware with nRF9160-DK and nRF Connect SDK v1.3.0. Among the other things, we need to communicate with the ultrasonic sensor DYP-A02 through the UART interface. Each time we give a trigger pulse to theen-USTelligent Community 13Mon, 03 Aug 2020 13:18:33 GMThttps://devzone.nordicsemi.com/thread/262812?ContentTypeID=1Mon, 03 Aug 2020 13:18:33 GMT137ad170-7792-4731-bb38-c0d22fbe4515:831bffec-b4b3-4c9e-9e68-f798ed47edd5&#216;yvind<p>Hi Bojan,&nbsp;<br /><br />My initial thought, as you are using NCS v1.3.0 could you try renaming the overlay file to&nbsp; nRF9160dk_nrf9160ns.overlay?<br /><br />Else, <a href="https://devzone.nordicsemi.com/support-private/support/252509#permalink=582882">see the answer from my colleague Didrik in your initial case</a></p> <p>Kind regards,<br />Øyvind</p><div style="clear:both;"></div>