https://devzone.nordicsemi.com/f/nordic-q-a/53658/timer1-stop-when-the-slave-disconnects-with-the-masterThe driver timer of the slave stops when the slave disconnects with the master. The deviation is caused by the disconnection as the following picture shows. The hardware timers performs well if the Slave connects with the Master well. And it seems thaten-USTelligent Community 13Sun, 27 Oct 2019 23:18:05 GMThttps://devzone.nordicsemi.com/thread/216970?ContentTypeID=1Sun, 27 Oct 2019 23:18:05 GMT137ad170-7792-4731-bb38-c0d22fbe4515:96b1740c-4ba1-484e-9950-a77e12619534Simon<p>Could you share your code? I can make the ticket private if you would like to.</p> <p>Best regards,</p> <p>Simon</p><div style="clear:both;"></div>