Introduction This is a library to handle Seiko's RX8010SJ RTC module with an arduino. Original datasheet can be found here. To set up your module, you only need to power up and use the i2c protocol to ...

DS1307 features and specs Real-Time Clock (RTC) Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the week, and Year with Leap-Year. Compensation Valid Up to 2100 56-Byte, ...

First of all, because it's the objective of this project! To experiment with this module! Aside from that, here are, according to this website, the main benefits of a RTC over a software clock: RTCs ...