Next in the series of "Etch-a-sketch"-themed projects comes this new control system for a laser cutter by Martin Raynsford. He's hacked into the control system for a laser cutter and added an Arduino-controlled device that uses two rotary encoders for user input - which are perfect for controlling the laser along the X- and Y-axis.
This gives the user a fun and different control system to create freehand art with the laser cutter, and a new way to impress their friends. A quick demonstration is shown in the following video:
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