DS3231 Precision RTC Clock Memory Module for Arduino Raspberry Pi

Features:

1.  to 40℃ to + 85℃ temperature range, timing accuracy in
     a plus or minus 5 PPM (+/- 0.432 SEC/day)

2.  To provide continuous timing battery backup

3.  Low power consumption

4.  The device compatible with DS3231 encapsulation and function

5.  Complete the clock calendar function including the second, minute,
      time, week, date, month, and year, and provide the valid until 2100 leap year

6.  Two calendar clock

7.  1 Hz and 32.768 kHz output

8.  Reset the output and input button to tremble

9.  High speed (400 KHZ) the I2C serial bus

10.+ 2.3 V to + 5.5 V power supply voltage

11.The accuracy of plus or minus 3℃ digital temperature sensor

12.- 40 ℃ to + 85℃ temperature range