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Use for topics in reference to the alarms functions of the DS3231 Real-Time Clock
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Problem understanding how to program DS3231 RTC
DS3231 address is 104. Instead of using that large complicated header, send simple frame.
For 1 sec pulse the frame will be :
S 208 A 14 A 0 P
N.B. Here address is 7 bit value 104. And a extra bit for …