This is great, I did a robotics course in uni that was essentially this. We never took it further than PID control though. https://www.youtube.com/watch?v=oDqfKm4Ovcg
That was a fun time in uni
That was a fun time in uni
One of the guys built a very fast line-following robot, much faster than what we see here. It was simpler though, it was a solid black line.