The module itself can adapt to 3.3V and 5V system, no need for level conversion, which is super convenient;Provide continuous timing battery backup;Complete clock calendar function includes second, minute, time, week, date, month, and year, and provide leap year?compensation until 2100;?Low power consumption;Two calendar clock;Reset output and anti-shake input;SpecificationDuring -40 ¡ãC to + 85 ¡ã C temperature range, timing accuracy is ¡À5 PPM (¡À0.432sec/day);1 Hz and 32.768 kHz output;High speed (400 KHZ)I2C serial bus;+2.3 V to + 5.5V power supply voltage;Connection diagram:Pls refer to the last photo in above photo window.Package included:5* DS3231 Real Time Clock RTC Module
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