hy,i am using DS3231SN with arduino UNO board.i want to set an alarm to wake the arduino using RTC interrupt pin which connect to the external interrupt pin of arduino.i am not able to write the code for DS3231SN. can anybody suggest me that how to write the code.i am enough clear with logic but not able to find ,how to implement the code for DS3231SN.
i mean how to write the code?how to access the address of RTC and how to write the value in it?