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Lesson 24 Real Time Clock Module
Overview
In this lesson, you will learn how to use the DS3231 Real Time Clock Module.
Components Required
Name Qty Name Qty
UNO R3 or MEGA 2560 1 DS3231 RTC Module 1
DuPont Wire 4
Component Introduction
The DS3231 is a low-cost, extremely accurate I2C real-time clock (RTC) with
an integrated temperature compensated crystal oscillator (TCXO) and
crystal. The device incorporates an onboard battery which maintains
accurate timekeeping even when unplugged. The RTC module can output seconds, minutes,
hours, day, date, month, and year information.
Wiring Diagram