Weston Middle School

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 Weston, Massachusetts
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Lego NxT Roboticst-Traffic Signal

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Traffic Signals

Build a model of a traffic intersection, with 2 or 3 traffic signal-gates, walk/don't walk sign, audio messages for the blind

Diagram Switching sequence for simple traffic light

Walk Button: Pushing a "walk" button changes the sequence.

  • Logic variables
  • Setting "Button Pushed" Flags

Extra Credit: Heavy Traffic changes intervals

  • Counters, timing loops

Links

Intro to Variables
EditRegion5
 
Revised January 2011 by Jonathan Dietz, dietzj@mail.weston.org