February 2020
Intermediate to advanced
432 pages
10h 50m
English
Content preview from Hands-On ROS for Robotics Programming
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Line follower unit test
The Jupyter notebook for the test is ./CH2-uniTests/di-lineFollower/lineFollower_libraries.ipynb. This notebook also shows you both the easy library, di_sensors.easy_line_follower, and the advanced version, di_sensors.line_follower, in action.
When the sensor reports center, this is because the robot is well centered on the black line, as shown in the next image. This means that the two external emitter-receiver pairs report white, while the pairs between them report black:
When the sensor reports left, it means that the line is slightly to the left of the robot, as shown in the following photo. This means that the ...
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