Description:

Raspberry Pi foreign highest precision clock module DS3231

Modules can adapt itself 3.3V and 5V systems without level conversion, this is a super convenient!

Features:

    1.The 1.-40 ° C to +85 ° C temperature range, timing accuracy kept at ± 5ppm (± 0.432 sec / day)

    2 timed to provide continuous battery backup

    3 low-power

    4. Device package and function compatible with the DS3231

    5. Complete clock calendar functions include seconds, minutes, hours, day, date, month and year timing and provide valid until the year 2100 leap year       compensation

    6 two calendar alarm

    7.1Hz and 32.768kHz output

    8 Reset button debounced input and output

    9-speed (400kHz) I2C serial bus

    10. +2.3 V to +5.5 V Supply Voltage

    11 ± 3 ° C accuracy digital temperature sensor

    12.-40 ° C to +85 ° C operating temperature range

    13.16-pin SO (300mil) package

    14 by Underwriters Laboratories (UL) certification