DS1302 Real Time Clock Module (With CR1220 Battery)

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 . 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.

Specification:

• Crystal 32.768KHz, matching capacitance 6pF
• DS1302 8-pin SMD homemade chips
• Seconds, Minutes, Hours, Day of Month, Day of Week, and Year