CNC and arduino

Hi,

I am thinking about trying to control an etch-a-sketch with an arduino. You can find many examples of this on the net. All the ones I have seen use a CNC stepper driver and CNC software.

I have used an arduino to control steppers. My problem is finding software that will convert an image to gcode, then figuring out how to convert gcode to a list of stepper “steps”. If I could somehow get the step sequence, then it would be trivial to get the arduino to control the steppers.

Anyone knowledgeable with CNC that could point me in the right direction?

thanks
chad

Have a look at the RepRap project. If I’m right, they have a G-Code interpreter written for the arduino…