Was reading this article on using the ATtiny's sleep mode to conserve battery power, and it appears that the maximum time for which WDT can be set is 8sec. Is there no way to set it up for something like 15mins ? Or do I have to indeed wake up every 8 sec, add to an accumulator and go back to sleep, until accumulator value is 15mins ?
falcon74:
Or do I have to indeed wake up every 8 sec, add to an accumulator and go back to sleep, until accumulator value is 15mins ?
Correct.