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The Arduino Nano is a small board based on the ATmega328 or 168. It has male headers, so it can be plugged directly into a breadboard. It is small and compact, and features a USB chip.

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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 …
Sadat Rafi's user avatar