Yeah it's funny that it is called a sensor bar when it has no sensors. For my undergrad, we had a cross-major project to build a robot that shot pingpong balls

Yeah it's funny that it is called a sensor bar when it has no sensors. For my undergrad, we had a cross-major project to build a robot that shot pingpong balls at various targets that were tagged with IR lights. We used 2 wiimotes to calculate the 3D space.