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 ...

This robot it the result of improvements on his first drawing arm ‘bot featured here ... set style building set known as [Mekanex]. A simple hobby servo moves the marker up or down, and control ...

and the goal one day is to have an arm that can tackle easy household tasks that may be difficult for someone with a physical handicap. "My goal would be for the robot to eventually be able to ...