Computer Science for IGCSE & O level - Automated And Emerging Technologies (Section 5 - No. 18)
What's the main purpose of the controller in the automated irrigation system?
To display data from the sensors.
To generate electricity for the system.
To control the valves that release the water.
To make sure the water pipes don't leak.
Forklaring
The controller is the central component that activates the irrigation valves.