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**Activity duration:** 3 hours
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## Goal
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The goal of this exercise is to expirement with the light and make the robot follow a line using simple control algorithms.
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The goal of this exercise is to experiment with the light and make the robot follow a line using simple control algorithms.
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## Plan
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To follow the instructions given in Lesson 1 (http://legolab.cs.au.dk/DigitalControl.dir/NXT/Lesson1.dir/Lesson.html)
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... | ... | @@ -37,7 +37,7 @@ From this table it is clear that the lighter the color is the higher is the outp |
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### Exercise 2
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In this exercise the same procedure as in exercise 1 is carried out however the red LED in the light sensor is turned off. The output of this process is sumarized in the following table.
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In this exercise the same procedure as in exercise 1 is carried out however the red LED in the light sensor is turned off. The output of this process is summarized in the following table.
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Color | Percentage
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----------- | -----
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... | ... | @@ -106,6 +106,8 @@ White | 762 |
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![alt text](https://gitlab.au.dk/uploads/rene2014/lego/f828f01da7/FreeMemoryMeasurements.png "Exercise 6 - Measurements")
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From these data, we can see that using strings directly in will result in allocating a new string each time that code is invoked - that is, the JVM on the NXT does not perform string interning. Thus, using string litterals will result the GC being invoked more frequently.
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## Conclusion
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## Referencesg |
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\ No newline at end of file |
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## References |
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\ No newline at end of file |