* Using rtc.lostPower() with DS1307 might not work correctly because it doesn't have the lostPower feature. * Using !rtc.isrunning() with DS3231 might not effectively check for power loss, and you may ...

The RTC DS 3231 (which works on the I2C protocol) is used to wake up Arduino UNO board from sleep using an interrupt. When the alarm occurs an interrupt is being triggered on the INT pin of the RTC ...

I have an old window AC at my lab, situated at the terrace. The AC needs to be run intermittently more so often when I’m out of the station and the lab PC needs to be cooled down during the intense ...

A man named [Jim Valvano] once said “There are 86,400 seconds in a day. It’s up to you to decide what to do with them.” — while we couldn’t tell you who [Jim Valvano] was without a google search*, his ...