> If you don't need inter-process communications, you don't need ROS. All I'm saying is, there are cases when you do need IPC, but you can do it without ROS..

> If you don't need inter-process communications, you don't need ROS. All I'm saying is, there are cases when you do need IPC, but you can do it without ROS... Surely it brings major benefits wrt. code reuse, but it can also be quite intimidating for a newcomer. I guess the best way of mastering it would be working on an existing project and having some experienced user walk you through it.