Q12

Week 12 Quiz

Ultrasonic Sensors and Obstacle Detection

Student Information

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Question 1: Multiple Choice (2 points)

What is the primary function of an ultrasonic sensor in the miniAuto car?

A) To detect obstacles and calculate distances B) To control the car's speed and direction C) To monitor the car's battery level and temperature D) To communicate with other cars and devices

Question 2: Multiple Choice (2 points)

What is the typical frequency range of ultrasonic sensors used in the miniAuto car?

A) 1-10 kHz B) 10-50 kHz C) 50-100 kHz D) 100-200 kHz

Question 3: Short Answer (3 points)

Write a simple Arduino code snippet to read the distance from an ultrasonic sensor and print it to the serial monitor:

Question 4: True/False (2 points)

Ultrasonic sensors can detect obstacles behind the miniAuto car.

True False

Question 5: Multiple Choice (1 point)

What is the primary advantage of using ultrasonic sensors in the miniAuto car?

A) High accuracy and reliability B) Low cost and simplicity C) Fast response time and high range D) All of the above

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