https://devzone.nordicsemi.com/f/nordic-q-a/108172/how-do-you-change-the-i2c1-sda-and-scl-pin-assignmentsI&#39;m trying to configure &amp;i2c1 to use &lt;&amp;gpio1 0&gt; for sda and &lt;&amp;gpio0 12&gt; for scl. Old answers in this forum indicate that you should sent the properties `sda-pin` and `scl-pin` in your overlay file. The build system doesn&#39;t seem to like this at all. Ien-USTelligent Community 13Wed, 17 Apr 2024 14:42:01 GMThttps://devzone.nordicsemi.com/thread/479276?ContentTypeID=1Wed, 17 Apr 2024 14:42:01 GMT137ad170-7792-4731-bb38-c0d22fbe4515:9f3c0408-d113-4367-a1d4-a57c2de513a2kingston<p><a href="https://devzone.nordicsemi.com/members/nate-z">Nate Z</a>&nbsp; in addition to what nordic said, I found this post very helpful in understanding WHY the changes are required.&nbsp;<a href="https://blog.golioth.io/how-to-use-zephyr-pin-control-pinctrl-for-pin-multiplexing-and-configuration/">blog.golioth.io/.../</a></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/468423?ContentTypeID=1Mon, 12 Feb 2024 13:48:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:ee770049-f543-4f3d-8758-d3525c09b9f9Menon<p>Hello,</p> <p>Please take a look at the<a href="https://academy.nordicsemi.com/courses/nrf-connect-sdk-fundamentals/lessons/lesson-3-elements-of-an-nrf-connect-sdk-application/topic/configuration-files/"> nRF connect beginner level course</a> for getting a better idea on device tree overlays. Which nordic chip and sdk version are you using here? Take a look at this <a href="https://github.com/crfosse/ncs_projects/blob/main/peripheral_zephyr/i2c/nrf5340dk_nrf5340_cpuapp.overlay">overlay file </a>used for I2C communication.</p> <p></p> <p>Kind Regards,</p> <p>Abhijith</p><div style="clear:both;"></div>