OpenSprinkler › Forums › Hardware Questions › OpenSprinkler Beagle (OSBo) › RTC SQW/OUT pin and other modes of operation › Re: Re: RTC SQW/OUT pin and other modes of operation
December 3, 2013 at 4:16 am #25795
BBB does have RTC, but it doesn’t have a built-in battery. So when designing OSBo, I included a DS1307 RTC with CR1220 battery. I am not familiar with the way you described: connecting the OUT/SQW pin on the RTC to the power button pin on the BBB. Would this trigger a periodic reset or something?