Watch an Arduino Vertical Plotter Make Masterpieces Out of Marker

What do you get when you combine an Arduino, two NEMA 17 stepper motors, an L293D motor drive shield, a pair of vertical chain blinds and gears, four golf balls (for weight), and a few other components? A vertical plotter that can draw some incredible images on a whiteboard using a dry erase marker.

This is exactly what Club Asimov has done. You can see some of the students’ marker masterpieces below!