Definitions for "Controllers"
pool automation devices that can be used to control aspects of water chemistry, filtration, heaters, pool safety covers, lighting, pool cleaning and more. Usually timer controlled and programmable.
various sliders, levers, knobs, or wheels typically found on a MIDI controller. Used to send continuous (as opposed to discrete) data to control some aspect of a sound.
This is a device which will control the water by making it turn on and off. We refer to this as an automated devise and the controller is only the "Brain". You will still need some type of valve to actually control the water itself.
Sort of like TV producers, controllers act as a reporter's liaison to the network they work. Controllers offer reporters information and technical support, and make sure they stay out of trouble and keep on assignment.
Long acting Bronchodilators usually taken twice daily.
an asthma medicine that helps to reduce inflammation and swelling in the lungs
The department within a firm that oversees financial accounts and transactions.
Keywords:  recent, example
a recent example of this