DS3231 Precision RTC Memory Module For Arduino
Feature:
Low power consumption
Two calendar clock
Conversion， it is super convenient
1 Hz and 32.768 kHz output
Reset the output and input button to tremble
High speed (400 KHZ) the I2C serial bus
To provide continuous timing battery backup
The device compatible with DS3231 encapsulation and function
+ 2.3 V to + 5.5 V power supply voltage
- 40 \u2103 to + 85\u2103 temperature range
The module itself can be adapted to 3.3 V and 5 V system， no level
To 40\u2103 to + 85\u2103 temperature range， timing accuracy in a plus or minus 5 PPM (+\/- 0.432 SEC\/day)
Complete the clock calendar function including the second， minute， time， week， date， month， and year， and provide the valid until 2100 leap year
The accuracy of plus or minus 3\u2103 digital temperature sensor

Package included:
1 x DS3231 Precision RTC Module Memory Module