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DS3231 Real Time Clock
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 degree to + 85 degree temperature range
The module itself can be adapted to 3.3 V and 5 V system, no level