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Programmable Logic and Robotics: This activity introduces students to the concept of using
a controller to process sensor data and make decisions, linking it to how programming and
automation work together to direct robotic behaviour.

Observation

In the Light Follower Robot activity, students will observe how the robot moves in the direction of
a light source, such as a flashlight. They will notice that the robot changes direction when the light
source moves, demonstrating how the sensors constantly feed information to the robot’s controller,
which in turn directs the motors. This activity provides
hands-on experience with light detection, robotics, and
the application of sensors to guide automated systems.

Application

Greenhouse Automation: Light following robots are
employed in greenhouses to move plants to receive
optimal sunlight for growth.

exercise

A. Tick ( ) the correct option.
1. What is kinematics?

(i) The study of materials (ii) The study of how things move
(iii) The study of forces (iv) The study of energy

2. Which component acts like a robot’s muscles?

(i) Sensors (ii) Actuators
(iii) Batteries (iv) Controllers

3. What is the purpose of traction in a robot?

(i) To generate energy
(ii) To help the robot grip the surface

(iii) To communicate with other robots

(iv) To change the robot’s color

4. Which of the following components helps a Robo-Crane lift heavy objects?
(i) IR Sensors (ii) Pulleys

(iii) Wheels (iv) Batteries

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