https://devzone.nordicsemi.com/f/nordic-q-a/9114/rtc-function-using-sleep-modeHi, I&#39;m searching a way to create a function which would be a timer function (so, this function will have an int number as input parameter), and during this delay, I would like to enter the processor in sleep mode (with __WFE(); I suppose). I woulden-USTelligent Community 13Wed, 09 Sep 2015 09:59:54 GMThttps://devzone.nordicsemi.com/thread/33568?ContentTypeID=1Wed, 09 Sep 2015 09:59:54 GMT137ad170-7792-4731-bb38-c0d22fbe4515:31412a7d-fd49-48d5-9432-cab9c9de24c3Wojciech Jasko<p>The fastest way is to use app_timer. Maybe it is overkill, but it can give you a basic idea.</p><div style="clear:both;"></div>