We’ve all been there — you see somebody do something cool on YouTube and you just have to give it a go. For [lonesoulsurfer], the drop-everything-and-build happened to be a little four-legged walker ...

Wheeled and tracked robots are easy mode, and thanks to some helpful online tutorials for inverse kinematics, building quadruped, hexapod, and octopod robots is getting easier and easier. [deshipu] ...