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 ...

RobotProg is a fun, free educational program that teaches the basic concepts of programming and robotics. You program a virtual robot using a flowchart: draw the flowchart, run it and watch the robot ...

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 ...