Internal flash could be use to store current time every minutes for example in order to retrieve an approximate time after reboot even if BLE connection is not active.
Ideally a RTC with calendar registers could be used... But I don't see this kind of thing available on the nrf52832.
Internal flash could be use to store current time every minutes for example in order to retrieve an approximate time after reboot even if BLE connection is not active.
Ideally a RTC with calendar registers could be used... But I don't see this kind of thing available on the nrf52832.