You can use the button set the clock year, month, day, week, hour, minutes, seconds, as well as the alarm clock 1 hours, minutes, seconds, switch, the state of the alarm clock on the screen with the symbol of the bell.

DS3231\DS3231.cpp
......\DS3231.h
......\Examples\DS3231_TEST\DS3231_TEST.ino
......\keywords.txt
......\Readme.txt
LiquidCrystal_I2C1602V1\diff.txt
.......................\examples\CustomChars\CustomChars.pde
.......................\........\HelloWorld\HelloWorld.pde
.......................\........\..........1\HelloWorld1.pde
.......................\........\SerialDisplay\SerialDisplay.pde
.......................\keywords.txt
.......................\LiquidCrystal_I2C.cpp
.......................\LiquidCrystal_I2C.h
.......................\LiquidCrystal_I2C.o
.......................\LiquidCrystal_I2C1602V1.rar
DS3231\Examples\DS3231_TEST
LiquidCrystal_I2C1602V1\examples\CustomChars
.......................\........\HelloWorld
.......................\........\HelloWorld1
.......................\........\SerialDisplay
DS3231\Examples
LiquidCrystal_I2C1602V1\examples
DS3231
LiquidCrystal_I2C1602V1

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