This is the Real Time Clock (RTC) Module; this little breakout that uses the DS1302 to keep track of the current year, month, day as well as the current time. The module comes fully assembled. The DS1302 RTC is accessed via the SPI protocol.
- Completely Manages All Timekeeping Functions: Real-Time Clock Counts Seconds, Minutes, Hours, Date of the Month, Month, Day of the Week, and Year with Leap-Year Compensation Valid Up to 2100
- 31 x 8 Battery-Backed General-Purpose