Last Saturday I had a team of teenage hackers over to build Arduino line-following ... the second robot didn’t turn at all. As I checked the wiring I smelled the dreaded hot electronics smell ...

Last Saturday I had a team of teenage hackers over to build Arduino line-following ... the second robot didn’t turn at all. As I checked the wiring I smelled the dreaded hot electronics smell ...

It involves an Arduino Leonardo. The challenge was, using an Arduino based robot, to pick up an object (plastic cube) and deliver it to a target destination (actually, through a hoop into… ...