https://devzone.nordicsemi.com/f/nordic-q-a/111259/ncs---what-s-needed-to-make-an-sdk-sample-runHi, A veteran of nRF5 SDK but new to NCS. I tried to run tx_rx_non_blocking example from the latest (2.6.1) NCS SDK, but can&#39;t get it to run (nR52840DK) It seem as the app asserts in nrfx_uarte_rx () &gt;&gt; nrfx_uarte_rx_ready () when is tests foren-USTelligent Community 13Tue, 21 May 2024 11:56:44 GMThttps://devzone.nordicsemi.com/thread/485093?ContentTypeID=1Tue, 21 May 2024 11:56:44 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5e8dbf14-8a23-4929-9478-5fc0d5d20ddcrunsiv<p>Hi</p> <p>I understand your frustration. My general advise would be to start with the&nbsp;<a href="https://academy.nordicsemi.com/courses/nrf-connect-sdk-fundamentals/">nRF Connect SDK Fundamentals</a>&nbsp;to get started with the NCS SDK as it is big difference from the nRF5 SDK.&nbsp;&nbsp;</p> <p>The samples found in that folders does not really reflect Zephyr or how you should work with Zephyr.&nbsp;</p> <p>These samples are available to show how nrfx can be used instead of Zephyr drivers (or shims). They are designed to build using different frameworks including Zephyr and bare metal, which is why this build configuration in Zephyr has its flaws.</p> <p>As nrfx is a set of drivers which are os-agnostic and focusing on individual peripherals. Therefor any Zephyr-specific frameworks such as pin control, power management, cache, will never be a part of nrfx. Given this, nrfx is not (and not ment) to be a direct replacement for Zephyr drivers.</p> <p>Regards</p> <p>Runar</p><div style="clear:both;"></div>