SunFounder GalaxyRVR Kit for Arduino, Release 1.0
3.7 Lesson 7: Enhancing Rover Navigation with Ultrasonic Module
In our last adventure, we equipped our Mars Rover with “eyes” on its sides, creating a basic obstacle avoidance system.
Yet, there’s a blind spot right in front – a challenge we’re ready to overcome!
Today, in this lesson, we’re going to give our Rover a new sense of “sight.” We’ll install an ultrasonic sensor module,
acting as a pair of central eyes, which will help our rover detect obstacles directly ahead.
We will delve into the fascinating mechanics of ultrasonic waves and explore how they enhance our Rover’s ability to
navigate complex terrains. With this addition, our Mars Rover will be more perceptive and agile, ready to embark on
more ambitious exploratory missions.
Join us as we take a step further into this exciting STEAM journey, making our Mars Rover even more adept at exploring
the uncharted territories!
Note: If you are learning this course after fully assembling the GalaxyRVR, you need to move this switch to the right
before uploading the code.
3.7.1 Course Objectives
• Understand the principle of ultrasonic distance measurement.
• Learn how to use Arduino and ultrasonic module for distance measurement.
• Practice applying the ultrasonic module for obstacle avoidance on the Mars Rover model.
3.7. Lesson 7: Enhancing Rover Navigation with Ultrasonic Module 59
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