which provides just enough pen-to-paper pressure to reliably draw lines without lifting off or scratching the paper. We can’t help but be impressed with the overall look of the machine ...

The Scribble Pen is a device that scans a color from a real object, turns it into an ink, and lets the user draw with it. An RGB color sensor scans the color and sends the information to a micro ...

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 ...