DS3231 RTC Board Real Time Clock Module for Arduino Raspberry Pi - Black
Brand N/A Model DS3231 Quantity 1 Piece Color Black Material FR4 English Manual / Spec No Download Link Universal http://docs.macetech.com/doku.php/chronodot_v2.0 Other Features The module itself can be adapted to 3.3V and 5V system no level conversion very practical. The Arduino board can also use this module Packing List 1 x RTC module