Problem in understanding RTC

[adrianwong]

Hi, can anyone explain to me about this example in this link with details : github.com/.../main.c I'm a newbie in nordic and i found it difficult to understand this example. Kindly assist and reply asap. Thanks!

[awneil]

Indeed - it is difficult to assist when it's not clear what assistance you require!

You say you are "a newbie in nordic" - do you have any prior programming experience at all? Do you have any prior experience with microcontrollers?

[Ole Bauck]

No, I guess you are using some SDK modules that are using app_timer, then you have no RTC left to use (SD uses RTC0 and there are only two RTC on nRF51). You could use app_timer, but the minimum time between two events is 5 ticks (152.59us with prescaler 0) as stated here. Here is a tutorial on using app_timer.