Project Overview: In this project, I successfully wired up and utilized the LCD display to print custom messages using Arduino Uno. The display has an LED backlight, and I even incorporated a ...

Upload the Code: Open the code in the Arduino IDE, connect your Arduino board, and upload the code. Enter Password: Use the keypad to enter the 4-digit code (default is 1234). If the password is ...

LCD.h is the file including all the fixed constants and the local methods used to manage the display. Also useful to create a good documentation of the display features local methods. You should ...