Arduino DS3231 Precision RTC Module

Arduino DS3231 Precision RTC Module
$2.24
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It allows you to take accurate time reading with the DS3231 RTC integrated on the precision clock module. Thanks to this integrated internal oscillator and temperature measurement in this module, it deviates only 1 minute per year. It is possible to correct the date and time with this module, which uses I2C serial protocol. Thanks to the clock battery slot on the module, it can work for a long time even when it is not powered from outside.