What is a distance sensor?

It helps the robot by using multiple distance sensors or by rotating the sensor, the angle of the object relative to the front of the robot can be measured. It helps calculate whether the robot is far from a block or a wall.

A distance sensor is the most important sensor for any robot. It's usually referred to as the "eyes" of a robot. Distance sensors are very useful as we can make systems that react based on how close we are to them or based on the presence of various obstacles.