What is the primary function of an Arduino output device?

• To measure environmental changes

• To collect data and send it to Arduino

• To produce actions or display information

• To process analog signals

Which of the following is NOT an Arduino output device?

• LED

• Joystick

• Buzzer

• Display

What type of output device is used to produce sound?

• LED

• Motor

• Buzzer

• Display

Which output device is commonly used to create movement in robotics?

• LED

• Motor

• Buzzer

• LCD Display

What is a common use of an LED in Arduino projects?

• Detecting temperature

• Producing sound

• Providing visual indicators

• Showing text messages

How does a buzzer create sound in Arduino projects?

• By flashing lights at different rates

• By vibrating to produce sound waves

• By spinning like a motor

• By displaying audio signals

What is the primary use of motors in Arduino projects?

• Displaying data

• Controlling brightness

• Creating movement

• Producing sound

Which of these devices is used to show text, numbers, or images?

• LED

• Display

• Buzzer

• Motor

What is the common use of an LED in decorative projects?

• To create animations

• To light up in various colors

• To produce sound effects

• To display text

Why are buzzers used in alarm systems?

• They can change colors to alert users.

• They produce sound for alerts.

• They move to draw attention.

• They display warning messages.