1. Microcontroller kits for building digital devices and interactive objects that can sense and control objects in the physical and digital world.
2. A device whose purpose is to detect events or changes in its environment.
3. Motion sensor on the outdoor light, Thermostat, garage door, remote control for TV.
4. Point out sound, light, temp sensors.
5. It is a mover. A component or machine that is responsible for moving or controlling a mechanism.
6. Garage door, motors on the 3d printer, ceiling fan, fans in the heaters.
7. Point out servo’s and motors.