In early September, my son Kevin built a plotter using NXT, using the design from the book “The Unofficial LEGO MINDSTORMS NXT 2.0 Inventor’s Guide” by David Perdue & Laurens Velk. It is an amazing book with a lot of good ideas and designs.

I was not content with the NXT 2.0 text and the graphic it printed using the Mindstorms visual environment. So I flashed LeJOS and wanted to do some more interesting patterns. First up was Lissajous figures. Lissajous figures are generated when you make the velocity of the X and Y motors sinusoidal. We played with different frequencies and velocities. It was very simple to program and yielded decent results (the videos I took are stuck in a thumb drive which I left at home – pics & videos sometime later).

Then I wanted to do something more exciting and coded it to trace the Hilbert Curve. Here are the results:

One Reply to “Drawing Hilbert curves with an NXT Plotter”

  1. Am aflat aceasta pagina, dupa ce am cautat despre Drawing Hilbert
    curves with an NXT Plotter pe Google. Se pare ca informatia dvs e
    foarte valoroasa, mai ales ca am mai gasit aici
    si despre ora, ora exacta, lucruri interesante si folositoare.
    Mult succes in continuare!

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