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.

We are also selling the same Module with Battery included for your convenience. Click here to get it

Pin configuration :

VCC2 → +5 V/3.3V
GND → GND
CLK → P02
DAT → P01
RST → P00

Specifications

1. Crystal 32.768KHz, matching capacitance 6pF
2. DS1302 8-pin SMD homemade chips
3. 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 without battery