What is the main function of the microcontroller in an Arduino board?

• To execute code and control the project

• To provide power to the board

• To connect to the internet

• To read signals from sensors

Which pin type is used to read analog signals from sensors?

• PWM pins

• Digital pins

• Analog pins

• Power pins

What does the GND pin do in an Arduino circuit?

• Regulates voltage

• Resets the board

• Provides a path for current

• Connects to the USB port

Which Arduino variant is known for its compact design?

• Arduino Nano

• Arduino Pro

• Arduino Uno

• Arduino Mega

What is the purpose of the USB port on an Arduino board?

• To reset the board

• To read sensor data

• To upload code from a computer

• To power external devices

How many digital pins does the Arduino Mega have?

• 54

• 14

• 16

• 8

What type of output do digital pins provide?

• Adjustable output

• PWM signals

• Analog signals

• HIGH/LOW signals

Which of the following is a feature of Arduino in robotics?

• Only works with simple designs

• Precise control of motors

• Limited sensor integration

• No autonomous behavior

What is the function of the reset button on an Arduino board?

• To power the board

• To connect to sensors

• To restart the running program

• To upload new code

Which Arduino model is best for complex projects due to its processing power?

• Arduino Mini

• Arduino Nano

• Arduino Uno

• Arduino Mega