Arduino for Beginners - 2022 Complete Course - Print Text on the LCD Screen + Tune It with the Potentiometer

This tutorial guides you through setting up an LCD screen with an Arduino. It covers including the LiquidCrystal library, defining necessary pins, creating a LiquidCrystal object, and printing text on the screen. Additionally, it explains how to adjust the LCD contrast using a potentiometer and demonstrates the setup in Tinkercad.

What is the first step in setting up an Arduino circuit to print text on an LCD screen?

• Install a new version of Arduino IDE

• Include the LiquidCrystal library

• Connect the Arduino to a computer

• Download a special LCD driver

Which pin is used as a digital pin despite being an analog pin?

• A0

• A1

• A5

• A4

What is the purpose of creating a LiquidCrystal object?

• To store text data

• To initialize the LCD screen with the correct pins

• To connect the Arduino to the internet

• To power the LCD screen

In what order should the pins be provided when initializing the LiquidCrystal object?

• Reverse order

• The order they are defined

• Alphabetical order

• Any order

What function is used to print text on the LCD screen?

• LCD.print()

• LCD.write()

• LCD.display()

• LCD.show()

Why might the text not be visible on the LCD screen even if it is powered on?

• The Arduino is not connected

• The contrast needs to be adjusted with a potentiometer

• The text color is too light

• The LCD is broken

What tool is used to adjust the contrast of the LCD screen?

• A resistor

• A capacitor

• A screwdriver

• A potentiometer