It’s a simple robot that drags a pen around to draw on paper. [Tim] decided to build one that uses a simple skid-steer design to get around the page. An Arduino Nano is the brains of the ...

If you like what you see, the robot will then begin to draw your portrait on a piece of paper. It does this using two human-like arms which are made from aluminium and driven by two stepper motors.

I’ve had bad luck with screen covers that feel like paper in the past, but as I’ll explain below, Astropad has created a unique package that offers the closest experience to writing or drawing on ...