https://devzone.nordicsemi.com/f/nordic-q-a/45352/did-the-nrfmesh-use-freertos-if-not-can-i-use-itEnvironment: nrf52832 , nrf5SDKforMeshv310src , nRF5_SDK_15.2.0_9412b96 0.did the switch_light sample use FressRTOS ? 1.if not use , can i use FressRTOS directly ? does once i add FressRTOS folder and files ,then it will works? 2.and once i useden-USTelligent Community 13Tue, 26 Mar 2019 09:56:30 GMThttps://devzone.nordicsemi.com/thread/178280?ContentTypeID=1Tue, 26 Mar 2019 09:56:30 GMT137ad170-7792-4731-bb38-c0d22fbe4515:d3ce2fcc-add3-4fd9-9685-d54e9eb20f43awneil[quote userid="78134" url="~/f/nordic-q-a/45352/did-the-nrfmesh-use-freertos-if-not-can-i-use-it"]did the switch_light sample use FressRTOS[/quote] <p>No - it does not use any RTOS at all.</p> <p>In fact, the majority of nRF-based projects probably don&#39;t use any RTOS at all - so why do you think you need an RTOS?</p> [quote userid="78134" url="~/f/nordic-q-a/45352/did-the-nrfmesh-use-freertos-if-not-can-i-use-it"]once i&nbsp; add&nbsp;FressRTOS folder and files ,then it will works[/quote] <p>No - you can&#39;t just randomly dump an RTOS into an existing project!</p> <p><span class="emoticon" data-url="https://devzone.nordicsemi.com/cfs-file/__key/system/emoji/1f62e.svg" title="Open mouth">&#x1f62e;</span></p> <p>Do you have any experience with RTOS in general, and/or FreeRTOS in particular?</p><div style="clear:both;"></div>