Making a robot is hard. Don't take my word for it, take the word of Stelian Coros, assistant professor of robotics at Carnegie Mellon University.

Learn how to make a remote-controlled robot at home with this easy DIY guide. Follow simple steps to craft a fun and functional robot that you can control from afar.

If you’re designing a robot for a specific purpose, you’re probably ordering fresh parts and going with a clean sheet design. If you’re just building for fun though, you can just … ...