Arduino Calculator (Display)

YouTube Tutorial:-

Materials:-

Arduino UNO :- http://amzn.to/2jh3MWO

Display 16x2 :- http://amzn.to/2kjoIhE

keypad 4x4 :- http://amzn.to/2kuEGBK

Jumpers wires :- http://amzn.to/2kjvHag

Potentiometer :- http://amzn.to/2jhanAd

Circuit:-

Code:-