EtchABot Part 2: Vector and Raster Images

This post describes how to draw vector and raster images on an Etch a Sketch with EtchABot.  As described previously, EtchABot converts an Etch A Sketch to an versatile, easy-build CNC drawing machine.

In image drawing mode, EtchABot receives instructions through the Arduino serial port.  When connected to a computer running software that converts images to a series of drawing commands, EtchABot can reproduce vector (SVG) or raster images.

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EtchABot: a CNC Etch A Sketch

The EtchABot - a CNC Etch A Sketch
EtchABot – a CNC Etch A Sketch

EtchABot turns your Etch A Sketch into a CNC (Computer Numerical Control) drawing machine.  I’m really excited about this project because of its versatility and its well balanced combination of entertaining and educational aspects.  It’s always fun to hack a toy to do something above and beyond its original intent, and if you build the EtchABot and run the example Arduino sketches, you can make:

EtchABot Gallery

There is an EtchABot Arduino library, so it’s also easy to program it with your own ideas.

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