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 circumference = distance around the wheel  Distance around the wheel = distance travelled in 1 rotation  Distance travelled in 1 rotation would change.

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Presentation on theme: " circumference = distance around the wheel  Distance around the wheel = distance travelled in 1 rotation  Distance travelled in 1 rotation would change."— Presentation transcript:

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2  circumference = distance around the wheel

3  Distance around the wheel = distance travelled in 1 rotation  Distance travelled in 1 rotation would change depending on size of wheel

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6  PackBot PackBot

7  What is it?  Threshold is the number by which the robot can determine what is “light” and what is “dark”. For example, a threshold of 50 means than any light sensor value less than 50 is “dark” and greater than 50 is “light”

8  Why is it important with the light sensor?  If the threshold is off, the robot can’t tell light from dark. For example, if you set the threshold to 0, it would think everything was light.

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10  How do we find it?  Hold the robot’s light sensor over something white, and record the “reflected light” number  Hold the robot’s light sensor over something black, and record the “reflected light” number  Average these two numbers

11  When would we need to recalculate the threshold?  Different rooms  Different lighting  Different times of day even!  Changing your light sensor  Moving your light sensor

12  Sudoku Solver Sudoku Solver

13 http://www.education.rec.ri.cmu.edu/fire/competitions/fll/behavior-based- programming/behaviorprogramming.html Watch Video

14  Violinist Violinist  Humanoid Humanoid  Running Running


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