white board doodler

Some old favorites
Arduino

Last week I converted the doodler to use an Arduino. There is a bit of a learning curve to converting my programming from quickbasic to the...
valentines day 2014
some details.

The white plotting area of the white board is about 22" by 34". I first tried using a board about a yard long with the motors abo...
Valentines day on the white board

I did a little thinking last Saturday. I looked up the equation for a tear drop. Then I turned it upside down and leaned it a little right a...
finally figured this one out

I went back and figured out how to do this picture that I had done when this was just an extension of a desktop. now I got it to work with t...
The beginning.

I started building a white board plotter. I've been thinking about it for years and finally put some hardware together. I reused a Bas...
Steam

This took just over 6 hours. I might be able to speed it up to 4 hours. Here is a speedup of the time lapse, just under 2 minutes. ...
doodler formulas

Here are some of the formulas I use to calculate where to draw. doodler formulas I need to figure out where the pen is. I keep track of...
stages 0 through 8

Here are the stages of the dragon fractal with curves. I like the individual stages better than the parade. ...

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