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Real-time clocks, as their name implies, are modules that keep track of time. The DS1307 IC, a real-time clock (RTC), is a compact 8-pin device that utilizes the I2C interface. The DS1307 is designed to consume minimal power and includes 56 bytes of battery backup SRAM. This clock/calendar component provides accurate information for seconds, minutes, hours, day, date, month, and year.<br>
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