This module based on the DS3231, it is the foreign high precision clock module for Raspberry Pi B+ and Arduino. Device package and function compatible with the DS3231.Complete clock calendar functions including seconds, minutes, hours, day, date, month and year timing. The module can adapt itself 3.3 V and 5 V system without level conversion, it is super convenient!
Features
to 40℃ to + 85℃ temperature range, timing accuracy in a plus or minus 5 PPM (+/- 0.432 SEC/day)
To provide continuous timing battery backup
Low power consumption
The device compatible with DS3231 encapsulation and function
Complete the clock calendar function including the second, minute, time, week, date, month, and year, and provide the valid until 2100 leap year
Two calendar clock
1 Hz and 32.768 kHz output
Reset the output and input button to tremble
High speed (400 KHZ) the I2C serial bus
+ 2.3 V to + 5.5 V power supply voltage
The accuracy of plus or minus 3℃ digital temperature sensor