Understand future technology by starting with DIY robot classes. At the beginning of the new semester, our school launched a DIY robot science popularization education program. Teacher Zheng Ruyu led the students to explore the project task of using grayscale sensors to achieve robot line-following. With the help of grayscale sensors, the robot can keenly capture subtle changes in light, thus gaining the ability to perceive the external environment. In the vast ocean of programming, students will learn how to master code, write tracking programs, and let creativity collide with code to create their own intelligent robot partners!
In this course, students learned the following exciting content:
1. Reading Grayscale Values: Master how to accurately read the grayscale value beneath the robot’s current position using a grayscale sensor. This magical number is the secret to recognizing black lines against a white background.
2. Judgment and Decision-Making: Learn to intelligently determine whether the robot is walking on the black line based on the grayscale value read. A low grayscale value means the robot is steadily walking on the black line; a high grayscale value indicates that the robot has deviated from the track.
3. Adjusting Direction: Master how to flexibly adjust the robot’s direction of travel based on the judgment results, ensuring it can navigate along the black line like a navigation expert. If the robot accidentally deviates from the black line, don’t worry; we can easily achieve turning by adjusting the speed difference between the left and right wheels, helping the robot quickly return to the correct track.
4. Loop Execution: Learn how to make the robot continuously repeat the above steps until it successfully completes the tracking task.
Through this course, students not only mastered the working principles of grayscale sensors and the skills to write tracking programs but also honed their practical skills and sparked unlimited innovative thinking.
Written by: Zheng Ruyu
Edited by: Zou Xiaotian
Initial Review: Xu Xianjin
Second Review: He Wenjie
Final Review: Zhang Yangyan
