The DS1302 real time clock (RTC) works very much like a watch. The RTC module accurately keeps time with a precise oscillator and is maintained with a small battery (included). It is used to give an accurate date and time in many applications. The RTC module is ideal in any time critical applications like attendance systems, digital cameras, automated sprinkler systems, or a time and calendar display.
Supply Voltage: 2.0 – 5.5 V
Supply Current: < 300 nA @ 2.0 V
Interface Type: 2 Wire Serial
Seconds, Minutes, Hours, Day of Month, Day of Week, and Year
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