https://devzone.nordicsemi.com/f/nordic-q-a/72722/problem-with-a-timed-waiting-methodI am using a thingy:91 device. I am basically just attempting to write a method that will just wait for a certain amount of seconds (ie: 10 or longer). This is my code below, however, when it runs, time(NULL) and time(0) return a value of -1, and thereforeen-USTelligent Community 13Tue, 16 Mar 2021 12:13:43 GMThttps://devzone.nordicsemi.com/thread/300112?ContentTypeID=1Tue, 16 Mar 2021 12:13:43 GMT137ad170-7792-4731-bb38-c0d22fbe4515:f08bf48a-b972-47b2-a337-ec63f80eb22cRSemple<p>Thank you, that was exactly what I was looking for. Have a great day!</p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/299787?ContentTypeID=1Mon, 15 Mar 2021 13:03:57 GMT137ad170-7792-4731-bb38-c0d22fbe4515:b54d30e3-6e1a-4ba8-95b2-5b507610704bKenneth<p>Hi,</p> <p>Not sure what is wrong here since I am not familiar with the time() library. I instead recommend to use the k_sleep() api, since that will reduce current consumption and also allow other threads to be serviced:<br /><a href="https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/reference/kernel/scheduling/index.html?highlight=k_sleep">https://developer.nordicsemi.com/nRF_Connect_SDK/doc/latest/zephyr/reference/kernel/scheduling/index.html?highlight=k_sleep</a></p> <p>If you are interested in the date time library I could find this case:<br /><a href="https://devzone.nordicsemi.com/f/nordic-q-a/66410/nrf9160-date-time-example">https://devzone.nordicsemi.com/f/nordic-q-a/66410/nrf9160-date-time-example</a>&nbsp;</p> <p>Kenneth</p><div style="clear:both;"></div>