I am trying to advertise for 5 seconds then sleep for 1 hour and wakeup the XIAO NRF52 every 1 hour with timer but I can’t find any Low power demo of this board and chip any pointers how should I manage this ?

This is not a direct answer, but I think it would be helpful. [image] System_ON_Sleep of XIAO BLE XIAO System_OFF_Sleep (Deep Sleep) is used to significantly reduce current consumption, but requires an external trigger for wake-up. On the other hand, System_ON_Sleep can ea…