The piece of cruft that I decided to repurpose for this project was an Etch-a-Sketch. My intention was to allow a user to control the drawing process on the Etch-a-Sketch just by moving the position of their head/face.

The hardware that I used was an Arduino Uno, two stepper motor driver carriers, and two stepper motors that were mounted onto the Etch-a-Sketch in place of the drawing wheels.

I wrote a patch in Max/MSP/Jitter that allowed the user to draw on the Etch-a-Sketch by changing their location in front of a camera. I used face tracking from Jean-Marc Pelletier's cv.jit library to track the position of the user's face which then sent messages to the motors, informing them which direction to draw in.

This project was done in the Interactive Digital Multimedia Techniques Course (part of the Media & Arts Technology PhD Programme) at Queen Mary, University of London.

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