Ok, first things first, I'm feeling like a moron at the moment. I have been so deep in a rabbit hole trying to figure out this simple task, reading libraries, searching google, blah blah, that my brain hurts. So, what I need is help from the community. I'm using DS1307RTC with TimeLib.h and DS130…

Elapsed event time using RTC

lastchancename July 24, 2018, 8:14pm 20

Question:
What kind of overall intervals are we talking about?
What kind of precision over that interval?
I suspect all this could be a LOT simpler.

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