Which sensors should be used throughout the robot?

[AdamHeard]

Originally Posted by thatprogrammer

Just to clarify, you use a beam break by using a piece of tape to reflect its own laser back to it, and if that laser is not reflected, it returns a false value?

It depends on the specific switch, and how it's wired.

Generally you decide based on what you want the failure mode to be. Do you want a disconnected/broken switch to read the same as seeing an object? Or do you want a broken/disconnected switch to read the same as never seeing an object.