Sometimes a coworker sees something on your desk, and they have to ask, “Where can I get one of those?” and that has to be one of the greatest compliments to a maker. [Greg Zumwalt] nailed it with his ...

Line-following robots are a great intro to robotics in general, since the materials and skills needed to build a good one aren’t too advanced. It turns out that line-following robots are more than ...

The motors I used for this robot are 2 servomotors modified for speed. You can also use other motors if it’s good enough. I didn’t have any so I modded 2 servomotors. How to Mod the Servomotors (look ...