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Controller
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The Brain
The controller reads instructions and tells the robot what to do.

Touch the cards, listen to lessons, explore beginner projects and test your knowledge. Robotics becomes easy when we learn one small step at a time.
Tap each card to reveal the answer.
The controller reads instructions and tells the robot what to do.
Sensors help a robot detect light, distance, touch, sound or movement.
Motors turn electrical energy into movement for wheels, arms and machines.
Use three LEDs and a timing sequence to control a model traffic signal.
Use a light sensor so the LED switches on automatically when the room becomes dark.
A distance sensor helps a robotic car stop or turn before hitting an object.
A moisture sensor checks the soil and starts a small water pump when needed.