HiLetgo 5pcs DS3231 High Precision RTC Real Time Clock Module 3.3V/5V for Arduino Raspberry Pi sold2024 This package contains the following:

This package contains the following: 3mm X 3mm X

Prime-Line 9066440 Eye Bolts With Nuts

for the cotter pins

POWERTEC 11240 4

HiLetgo 5pcs DS3231 High Precision RTC Real Time Clock Module 3.3V/5V for Arduino Raspberry Pi sold2024 This package contains the following:HiLetgo 5pcs DS3231 High Precision RTC Real Time Clock Module 3. 3V 5V for Arduino Raspberry Pi Description: 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