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 (not 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.
Pin configuration :
VCC2 → +5 V/3.3V
GND → GND
CLK → P02
DAT → P01
RST → P00
Specifications
- Crystal 32.768KHz, matching capacitance 6pF
- DS1302 8-pin SMD homemade chips
- Seconds, Minutes, Hours, Day of Month, Day of Week, and Year
Useful Link:
Arduino Playground DS1302 Example
Package Includes:
1 x DS1302 Real Time Clock Module with battery
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