https://devzone.nordicsemi.com/f/nordic-q-a/53109/zephyr-on-custom-board-based-on-the-qiaa-layoutHello everyone, I have a custom board based on the QIAA layout, when i try to flash the bluetooth beacon example from the zephyr samples directory, the board does not advertise at all(the board also doesn&#39;t work with other examples either). testing theen-USTelligent Community 13Thu, 10 Oct 2019 13:30:08 GMThttps://devzone.nordicsemi.com/thread/214394?ContentTypeID=1Thu, 10 Oct 2019 13:30:08 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d6cbc3e8-d92f-4c04-8698-42a2a22b894cSimon<p>I&#39;m sorry but&nbsp;<a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/1.0.0/nrf/index.html">nRF Connect SDK</a>&nbsp;does not support nRF52840, only nRF9160. To use Zephyr samples on nRF52 series, please&nbsp;<a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/getting_started/index.html#getting-started-guide">follow this guide</a>. More information can be found&nbsp;<a href="https://devzone.nordicsemi.com/nordic/nordic-blog/b/blog/posts/nrf5x-support-within-the-zephyr-project-rtos">in this link</a>, and as stated in the bottom of the page: &quot;<em>Also if you want to get involved with Zephyr, or simply need help as a user, you can join the Zephyr&nbsp;<a href="https://lists.zephyrproject.org/mailman3/lists/">mailing list</a>&nbsp;or join the #zephyrproject IRC channel.&quot;</em></p> <p>Nordic Semiconductor is part of the&nbsp;<a href="https://www.zephyrproject.org/what-is-zephyr/">Zephyr Project</a>&nbsp;and contributes with misc. components/software, but we do not give support for Zephyr running on nRF52840.&nbsp;&nbsp;</p> <p>Thanks for your understanding.&nbsp;</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>