Hello all, I start saying that this is my first project with arduino and i'm not so good in electronic stuffs, but I'm trying to save my plants from dryness. I bought this http://www.icstation.com/product_info.php?products_id=2416#.U3upsyjYGSo and i'm using the included library to handle it. My b…

A little help on how to wire SQW pin of DS3231

CrossRoads May 20, 2014, 8:17pm 4

Every Uno pin can be an interrupt - either a hardware interrupt, or a PCINT.

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