8 Arduino: 2x16 Display

Which function is used to initialize the LCD display in an Arduino sketch?

• `lcd.begin(16, 2);`

• `lcd.init(2, 16);`

• `lcd.start(16, 2);`

• `lcd.setup(2, 16);`

How do you display the text "Hello, World!" on the first line of a 2x16 LCD?

• `lcd.print("Hello, World!");`

• `lcd.write("Hello, World!");`

• `lcd.display("Hello, World!");`

• `lcd.show("Hello, World!");`

Which library is commonly used for controlling a 2x16 LCD display with an Arduino?

• `Wire.h`

• `LiquidCrystal.h`

• `Servo.h`

• `SPI.h`

What is the purpose of the `lcd.setCursor(0, 1);` function?

• It sets the cursor to the first column of the second row.

• It sets the cursor to the first column of the first row.

• It sets the cursor to the second column of the first row.

• It sets the cursor to the second column of the second row.

How can you adjust the brightness of the LCD backlight?

• By using a potentiometer connected to the V0 pin

• By using the `lcd.setBrightness()` function

• By using a resistor connected to the VSS pin

• By using the `lcd.adjustBrightness()` function

Which pin is typically used to control the contrast of a 2x16 LCD display?

• VSS

• VDD

• V0

• A

What is the role of the `lcd.clear();` function in an Arduino sketch?

• It turns off the display.

• It clears the display and resets the cursor position.

• It saves the current display state.

• It initializes the display.

Which function is used to move the cursor to the beginning of the first line on the LCD?

• `lcd.home();`

• `lcd.reset();`

• `lcd.start();`

• `lcd.begin();`

What is the maximum number of characters that can be displayed on a single line of a 2x16 LCD?

• 8

• 16

• 32

• 64

Which of the following is a correct way to include the LiquidCrystal library in an Arduino sketch?

• #include <LiquidCrystal.h>

• #include "LiquidCrystal.h"

• #include #include <LiquidCrystal.L>

• #include "LiquidCrystal"