The DS1302 Real Time Clock Module CR2032 Battery operates like a conventional watch, delivering accurate timekeeping through a precise oscillator. The module includes a small battery that ensures continuous timekeeping even when the main power supply is disconnected. This reliable timekeeping is essential for applications requiring precise date and time information. The DS1302 is ideal for various time-critical applications. In attendance systems, it accurately records employee check-ins and check-outs. Digital cameras use it to timestamp photos, ensuring precise date and time logging. Automated sprinkler systems rely on the RTC to schedule watering times accurately. Additionally, the module is useful in time and calendar displays, providing real-time updates for user interfaces. Its versatility and precision make it a valuable component for many projects where accurate timekeeping is crucial. Pin configuration : VCC2 → 5 V/3.3V GND → GND CLK → P02 DAT → P01 RST → P00 Features of DS1302 RTC Real Time Clock Module : Crystal 32.768KHz, matching capacitance 6pF DS1302 8-pin SMD homemade chips Seconds, Minutes, Hours, Day of Month, Day of Week, and Year Package Includes: 1 x DS1302 Real Time Clock Module without CR2032 Battery Related