Arduino Servo Motor and Car Park Barrier Quiz

What is the maximum rotation angle of the Servo motor discussed in the lesson?

• 90 degrees

• 360 degrees

• 270 degrees

• 180 degrees

Which wire color is used for the power connection of the Servo motor?

• Red

• White

• Blue

• Black

To which pin should the ground wire of the Servo motor be connected on the Arduino board?

• PWM pin

• GND pin

• Analog pin

• 5V pin

What angle is set for the Servo motor when the right arrow key is pressed?

• 45 degrees

• 180 degrees

• 0 degrees

• 90 degrees

Which component is used to detect the proximity of a car in the car park barrier project?

• Temperature sensor

• Infrared sensor

• Light sensor

• Ultrasonic sensor

What color does the RGB LED glow when the barrier is raised?

• Yellow

• Red

• Blue

• Green

Which pin numbers are used for the trig and echo of the ultrasonic sensor?

• Pins 8 and 9

• Pins 2 and 3

• Pins 4 and 5

• Pins 6 and 7

What happens to the barrier when the ultrasonic sensor detects an object closer than 20 cm?

• The barrier raises

• The barrier flashes

• The barrier stays still

• The barrier lowers

Which digital pin is used to control the red light of the RGB LED?

• Pin 8

• Pin 11

• Pin 9

• Pin 10

What is the purpose of using different GND pins for each component in the project?

• To save power

• To reduce cost

• To prevent interference

• To increase speed