Arduino 1

What is the purpose of the void setup in an Arduino program?

• To set up the Arduino once

• To declare variables

• To execute commands repeatedly

• To control the LED

Which command is used to set a pin as an output in Arduino?

• pinMode

• digitalRead

• analogWrite

• delay

What does the 'digitalWrite' command do in Arduino?

• Delays the program execution

• Prints a message to the serial monitor

• Writes a digital value to a pin

• Reads the analog input

What does the 'high' parameter represent in the 'digitalWrite' command?

• 0 volts

• 10 volts

• 5 volts

• 3.3 volts

What does the 'void loop' in an Arduino program do?

• Runs commands repeatedly

• Sets up the Arduino

• Declares variables

• Executes commands once

Which command is used to turn an LED off in Arduino?

• pinMode

• analogRead

• digitalWrite

• delay

What happens when the program is sent to the Arduino using the right arrow button?

• The program is compiled

• The LED turns on

• The LED turns off

• The Arduino shuts down

What is the purpose of the 'pinMode' command in Arduino?

• To read analog input

• To set a pin as input or output

• To delay program execution

• To turn the LED on