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The DS1307 is accessed via the I2C protocol. DS1307 based RTC( without LIR2032 battery). Two wire I2C interface. 1Hz output pin. Hour:Minutes : Seconds AM/PM. Due to the difference between different monitors, the picture may not reflect the actual color of the item.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.