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Difference between revisions of "Line follower algorithm"
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== Introduction == | == Introduction == | ||
The easiest line follower algorithm is Zig Zag algorithm, which | The easiest line follower algorithm is the Zig Zag algorithm, which makes the robot move like zig zag and never straight. However, it is funny to observe the movements of the robot, and test the meaning of the different parameters. | ||
=== Aim === | === Aim === | ||
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=== Sensors === | === Sensors === | ||
The color sensor is used to read the color. | The color sensor is used to read the color of line and surroundings. | ||
== Example Video == | == Example Video == | ||
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== Theory == | == Theory == | ||
''Zig zag'' algorithm turns the robot to right if the sensor sees white, and to left if the sensor is on the black. Or vice versa. The algorithm is easy to program using only one if block and loop block. The speed and turning value need to be considered and adjusted. | The ''Zig zag'' algorithm turns the robot to right if the sensor sees white, and to left if the sensor is on the black. Or vice versa. The algorithm is easy to program using only one if block and loop block. The speed and turning value need to be considered and adjusted. | ||
[[File:Zigzag.png|thumb|''The Zig Zag'' algorithm.]] | [[File:Zigzag.png|thumb|''The Zig Zag'' algorithm.]] | ||
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== Example Code == | == Example Code == | ||
Zig Zag never drives straight. Either | The ''Zig Zag'' never drives the robot straight. Either the robot turns to the left or to the right. However, the robot can be made very fast, and reliable---of course depending on the line. The turning part is coded into ''if else'' block which is in the loop that continuously examines the line. | ||
== Exercises == | == Exercises == | ||
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Back to [[Mahtavaa Matematiikkaa 2020]] | Back to [[Mahtavaa Matematiikkaa 2020]] | ||
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[[File:Mahtavaa matematiikkaa.png|thumb]] | [[File:Mahtavaa matematiikkaa.png|thumb]] | ||
