https://devzone.nordicsemi.com/f/nordic-q-a/106918/custom-yaml-and-overlay-fileHi, I made a &quot;zephyr,test.yaml&quot; file in the approot/dts/bindings diretory (I tried alos in the approot/src directory) I put this in the app.overlay file And then I want to: In the ide DT_PROP said: identifier &quot;DT_N_NODELABEL_essai_P_numberen-USTelligent Community 13Wed, 27 Dec 2023 08:30:26 GMThttps://devzone.nordicsemi.com/thread/461713?ContentTypeID=1Wed, 27 Dec 2023 08:30:26 GMT137ad170-7792-4731-bb38-c0d22fbe4515:0cf93638-c5c6-43dd-b6d5-d37f4b9fe948Sigurd Hellesvik<p>Hi,</p> <p>Here are some resource on how you can include custom drivers into into Zephyr:</p> <ul> <li>Our <a href="https://github.com/nrfconnect/ncs-example-application/tree/main">Example application</a>, showing among other things how to use out-of-tree drivers.</li> <li>My colleguas <a href="https://github.com/martelmy/NCS_examples/tree/main/devicetree/devicetree_custom_device">unofficial simple sample</a></li> <li><a href="https://iwasz.pl/electronics/2021-06-18-out-of-tree-zephyr-module.md/">This guide from someone on the internet</a></li> </ul> <p>Give these a read and see if you can make it work then.</p> <p>Regards,<br />Sigurd Hellesvik</p><div style="clear:both;"></div>