✎ mindstorms:lab:nxtlab-basics [aiWiki]

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====== Exercise ======
Goal: simple control algorithm.

Accessories: 
  * LEGO set
  * instruction //QuickStart//
  * software LEGO MINDSTORMS NXT

Output: Report

===== Description =====
What to do:
  - build a simple mobile robot, and simultaneously  
  - design a simple control algorithm 
  - test the robot and the algorithm,
  - evaluate and draw conclusions -> Report
Team organization:
  * robot builder: 1,2 persons,
  * algorithm development: 1,2 persons.
__Caution !__: 
  * use only blocks that you need
  * do not take out too much blocks in the same time
  * put all unused blocks [[https://ai.ia.agh.edu.pl/wiki/pl:mindstorms:lab:wyposazenie#rozlozenie_klockow_w_przegrodach|back in proper compartments]]

===== Robot building =====
(Builing team)
  * Build a simple mobile robot i.e. according to //QuickStart//, your invention here is welcomed. 
  * Connect desired sensors on the front or side of the robot (i.e. sonar)

===== Algorithm development =====
(Control team)
  * program simple control algorithms (1-2)
  * use 1 or 2 sensors
  * save project files

===== Proposed Algorithms: =====

==== Patrol ====
  * robot drives on its (given) way (square, circle, triangle)
  * repeats this way N times 
  * robot stops after finding an obstacle (touch or distance sensor)
    * plays beep signal
    * backs up

==== Avoidance ====
  * robot drives straight 
  * after reaching an obstacle (use sonar) it tries to avoid it
    * plays beep signal
    * make a right turn

==== Tracking ====
  * robot follows up a light source

===== Additional Control =====
  * control the robot by voice signal (e.g. clapping) or touch
  * example: one clap - start, two claps - stop

===== Integration =====

Test the algorithm on the constructed robot. 
Please, remember that after uploading program to the robot you can disconnect USB wire and let it go on the desk or floor.

===== Finish =====
  * Disassemble the robot, and put all elements in the proper [[https://ai.ia.agh.edu.pl/wiki/pl:mindstorms:lab:wyposazenie#rozlozenie_klockow_w_przegrodach|compartments in the box]]  

__CAUTION__: do it slowly and carefully - damage is much easer during disassembly then while assembling.


===== Report =====

Prepare a short report describing what you have accomplished during this exercise:
  * what was the purpose of the robot,
  * what sensors did you use and why,
  * include a photo of your robot,
  * include a screenshot of your program,
  * describe problems and difficulties you had.

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★ Lab instructions translated/enhanced by [[http://home.agh.edu.pl/wojnicki|Igor Wojnicki, PhD]] (2010).