What is the DS1307 RTC? The DS1307 serial real-time clock (RTC) is a lowpower, full binary-coded decimal (BCD) clock/calendar plus 56 bytes of NV SRAM. ... 0 comments on “ DS1307 RTC Datasheet and ...

DS1307 RTC 6 Articles . ... (RTC) and a TEA5767 FM module. The main power comes from a 9V power source with an LM317 and LM7805 linear regulators providing a 3.3V and 5V power rail, ...