Just like how you use your eyes/ears/nose to get information about the world around you and decide what to do, robots also use senses in their Sensors to get information from their world and decide what to do.
But why do robots need sensors? Robots need sensors to make decisions on where to move, how to behave and what to do next.
How do we make "zombie" Phiro go on an adventure in the dark jungle with a lot of obstacles?
What're some way you can know if zombie Phiro will bump into something?
What're some ways you can make zombie Phiro avoid bumping to something by moving away or following it?