1.      Arduino UNO

2.      1602A LCD screen

3.      10KΩ resistor X2

4.      Dupont thread

5.      Breadboard

6.      Solder

7.      10KΩ potentiometer

8.      220KΩ resistor 

9.      Button swith X2

10.    Jumper wires

It’s just a cool digital clock controlled by Arduino. Every hours and minutes you can switch on this clock you’ve to set it to the present time, just like the analog clocks found in homes.