A robot “mouse” uses a proximity sensor and motor-wheel modules to chase after the “cheese.”
Using the proximity sensor, the robot can detect the maze’s walls, keeping it in motion until it finds the exit.
The Mom Alert uses the proximity sensor to sense mom walking through the door, activating a buzzer.
When the temperature goes above a value set by the analog-to-digital (A2D) the buzzer is activated
A smart-tech street light that uses a light sensor to turn the LED light on only when it’s dark.
The Wake-Up Alarm uses the light sensor aimed at the window to tell when the sun’s coming up, activating a buzzer.
The Smart Fan uses the proximity sensor in conjunction with the motor and propeller attachments to activate a fan when you get close.
Much like its twin the Maze Runner, the CaveBot navigates itself to the exit of a cave, only this time, it uses a light sensor to guide its way.
A police car uses the Wave to make the LED blink and the Buzzer sound oscillate.