https://devzone.nordicsemi.com/f/nordic-q-a/52560/hci-host-not-enough-space-in-bufferhi all, i build project use HCI controller with nrf52840 , it some time show error message, how to deal with this issue HCI Host Not enough space in buffer #hci https://lists.zephyrproject.org/g/devel/message/5454en-USTelligent Community 13Wed, 25 Sep 2019 10:58:35 GMThttps://devzone.nordicsemi.com/thread/211774?ContentTypeID=1Wed, 25 Sep 2019 10:58:35 GMT137ad170-7792-4731-bb38-c0d22fbe4515:5ef0f505-ee15-41eb-a953-56466e691e1eHeidi<p>Hi!</p> <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&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:</p> <p>&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>Heidi</p><div style="clear:both;"></div>