In this tutorial we will learn how to use DS3231 Real Time Clock with the Arduino. Required Hardware Arduino Board - http://ift.tt/2rF0Zff Real Time - https://goo.gl/oXbKri CR2032 Coin Battery - https://goo.gl/oXbKri LCD Display - https://goo.gl/oXbKri Potentiometer - https://goo.gl... By: MertArduino