about timer eventhttps://devzone.nordicsemi.com/f/nordic-q-a/13792/about-timer-eventHi. I&#39;m using PCA10028, SDK10.0.0, S130. I made timer(repeated) as below. void init_timer(void) { uint32_t err_code; err_code = app_timer_create(&amp;m_timer_id, APP_TIMER_MODE_REPEATED, one_msecond_timer_callback); APP_ERROR_CHECK(err_code);en-USTelligent Community 13Thu, 12 May 2016 07:44:41 GMTRE: about timer eventhttps://devzone.nordicsemi.com/thread/52707?ContentTypeID=1Thu, 12 May 2016 07:44:41 GMT137ad170-7792-4731-bb38-c0d22fbe4515:cc6cf579-9e94-4fd6-ab79-9d0d9a6b520eSusheel Nuguru<p>That is strange.. it was not supposed to wakeup , what is the interval for the toggle? are you sure that there is nothing else in your application code that has wakeup capabilities? you are using just the timers in your app code and nothing else ?(apart from BLE activity)</p> <p>Which version of S130 are you using? v2.0.1?</p><div style="clear:both;"></div>