Reference
Glossary
Smart-home and automation terms, explained in plain language.
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Access Control
Access control is a security system that manages who can enter a property or specific area using methods such as PINs, cards, biometrics, smartphones or other credentials.
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Actuator
An actuator is a device that receives a command from an automation system and performs a physical action, such as switching a light, controlling a motor or operating a valve.
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Adaptive Lighting
Adaptive lighting automatically adjusts brightness, colour temperature or lighting behaviour based on factors such as time, occupancy, daylight or user preferences.
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AI CCTV
AI CCTV uses artificial intelligence to analyse camera footage and identify events such as people, vehicles, movement or unusual activity.
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Apple HomeKit
Apple HomeKit is Apple's smart-home framework that allows compatible devices such as lights, locks, sensors and thermostats to be controlled and automated through Apple devices and the Home app.
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Automation Scenes for Effortless Smart Home Living
Learn what Automation Scene means, how it works, and how it is used in modern home automation and smart-home systems.
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Biometric Access Control
Biometric access control uses unique physical characteristics such as fingerprints or facial features to identify and authorise a person.
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Blinds Automation
Blinds automation uses motors and control systems to automatically open, close or position blinds based on user commands, schedules, sunlight or other conditions.
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Bluetooth Automation
Bluetooth automation uses Bluetooth wireless communication to connect and control compatible smart devices, sensors, switches and other automation products, particularly over short distances.
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Building Management System (BMS)
A Building Management System is a centralised system used to monitor and control building services such as HVAC, lighting, energy, security and other automated systems.
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Bus Coupler
A bus coupler connects an automation device to a communication bus and allows it to exchange information with other devices, such as in a KNX installation.
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CCT
CCT, or Correlated Colour Temperature, describes the colour appearance of white light and is measured in Kelvin (K). Lower values generally appear warmer, while higher values appear cooler.
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Central Control for a Fully Connected Home
Learn what Central Control means, how it works, and how it is used in modern home automation and smart-home systems.
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Circadian Lighting
Circadian lighting is designed to support natural human daily rhythms by adjusting light intensity and colour temperature throughout the day.
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Colour Rendering Index (CRI)
CRI indicates how accurately a light source reveals the colours of objects compared with a reference light source. Higher CRI generally provides a more natural colour appearance.
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Control4
Control4 is a smart-home automation platform that integrates lighting, entertainment, security, climate, shades and other connected devices into a unified control system.
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CoolMaster
CoolMaster is a gateway solution used to integrate air-conditioning systems, particularly VRF/VRV systems, with building automation and smart-home control platforms.
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Curtain Automation
Curtain automation uses motors and control systems to open, close or position curtains automatically.
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DALI
DALI, or Digital Addressable Lighting Interface, is a digital communication protocol designed specifically for controlling and managing lighting systems.
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Daylight Sensor
A daylight sensor measures the amount of natural light available in an area and can be used to automatically adjust artificial lighting.
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Dimmer
A dimmer is a device that controls the brightness of a light source by regulating its electrical output.
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Dimming Actuator
A dimming actuator receives commands from an automation system and adjusts the brightness of compatible lighting circuits.
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DMX
DMX, or Digital Multiplex, is a communication protocol widely used for controlling professional lighting and entertainment systems, including architectural, stage and colour-changing lighting.
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Electric Fencing
Electric fencing is a perimeter security system that uses controlled electrical pulses to detect or deter unauthorised access.
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Emergency Lighting
Emergency lighting provides illumination when the normal power supply fails, helping occupants safely navigate and exit a building.
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Energy Management System
An Energy Management System monitors and controls energy consumption across a property to improve efficiency and reduce unnecessary usage.
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Ethernet
Ethernet is a wired networking technology used to connect controllers, cameras, access points, automation devices and other equipment over a local network.
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ETS
ETS, or Engineering Tool Software, is the software used for designing, configuring and commissioning KNX installations.
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Fan Coil Unit (FCU)
A Fan Coil Unit is an HVAC device that uses a fan and heat-exchange coil to provide heating or cooling to a room or zone.
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Fan Speed Control
Fan speed control allows the operating speed of HVAC or ventilation fans to be adjusted automatically or manually according to temperature, demand or user preferences.
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Fire Alarm Integration
Fire alarm integration allows the fire alarm system to communicate with other building automation systems and trigger predefined actions during an emergency.
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Firmware
Firmware is the embedded software that controls the basic operation of a smart device, sensor, controller or automation product.
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Flow Sensor
A flow sensor measures the movement or rate of a liquid or gas through a pipe and can be used in water management and automation systems.
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Gate Automation
Gate automation uses motors, controllers and sensors to open and close vehicle or pedestrian gates automatically.
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Gateway
A gateway connects different devices, networks or communication protocols, allowing systems that otherwise cannot communicate directly to exchange information.
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Geofencing
Geofencing uses a person's location or the location of a mobile device to trigger predefined automation actions when entering or leaving a defined geographical area.
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Glare Control
Glare control involves designing and positioning lighting to minimise excessive brightness that can cause visual discomfort or reduce visibility.
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Group Address
In KNX, a group address identifies the communication destination for a command, allowing devices such as switches and actuators to communicate with each other.
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Home Assistant
Home Assistant is an open-source home automation platform that allows users to integrate, monitor and automate devices and systems from different manufacturers through a unified interface.
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Home Automation for Smarter, Connected Living
Learn what Home Automation means, how it works, and how it is used in modern home automation and smart-home systems.
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Home Automation Hub: The Central Brain of a Smart Home
Learn what Home Automation Hub means, how it works, and how it is used in modern home automation and smart-home systems.
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Home Theater Automation
Home theater automation integrates lighting, audio, video, curtains, screens and other equipment to create a coordinated entertainment experience.
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How a Home Automation System Works
Learn what Home Automation System means, how it works, and how it is used in modern home automation and smart-home systems.
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Hub
A smart-home hub acts as a central point for connecting and managing compatible smart devices, depending on the automation platform being used.
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HVAC Automation
HVAC automation controls heating, ventilation and air-conditioning systems based on factors such as temperature, occupancy, schedules and user preferences.
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Intercom
An intercom is a communication system that allows people in different locations within or around a property to communicate with each other.
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Intesis
Intesis is a range of integration gateways that connect systems using different communication protocols, including HVAC, building automation and industrial communication networks.
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Intrusion Detection System
An intrusion detection system uses sensors and monitoring technology to detect unauthorised entry or movement within protected areas.
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IoT
IoT, or Internet of Things, refers to physical devices connected to a network that can collect, communicate or exchange data.
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IP Camera
An IP camera is a security camera that transmits video over an IP network, allowing footage to be viewed and managed through network-connected systems.
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IR Control
IR, or infrared control, uses infrared signals to operate devices such as televisions, air conditioners and other compatible AV equipment.
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Jitter
Jitter refers to variations in the timing of data transmission across a network. Excessive jitter can affect real-time applications such as audio and video.
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Job Scheduling
Job scheduling allows an automation system to execute predefined actions at specified times or according to a schedule.
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Joystick Control
Joystick control uses a physical joystick to operate compatible systems or equipment, particularly in specialised AV, motorised or control applications.
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Junction Box
A junction box is an enclosure used to protect and organise electrical connections and cable joints within an installation.
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Kelvin
Kelvin is the unit commonly used to describe the colour temperature of white light. For example, 2700K generally appears warm, while 5000K appears cooler.
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KNX Actuator
A KNX actuator receives commands over the KNX system and controls connected loads such as lights, motors, heating valves or other electrical equipment.
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KNX Bus
The KNX bus is the communication pathway through which KNX devices exchange information and commands.
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KNX Home Automation for Connected Living
Learn what KNX Home Automation means, how it works, and how it is used in modern home automation and smart-home systems.
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KNX IP
KNX IP allows KNX communication to be transmitted over Ethernet/IP networks, enabling integration between KNX installations and IP-based systems.
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KNX: Building a Smarter Connected Home
Learn what KNX means, how it works, and how it is used in modern home automation and smart-home systems.
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LED
LED, or Light Emitting Diode, is a semiconductor light source known for its efficiency, long service life and wide range of applications.
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Light Distribution
Light distribution describes how light is spread from a lighting fixture across a space or surface. It affects the coverage, uniformity and visual appearance of an illuminated area.
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Lighting Automation
Lighting automation uses sensors, switches, schedules, scenes and control systems to automatically operate and manage lighting.
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Lighting Control Module
A lighting control module is a device that receives commands from an automation system and controls one or more lighting circuits.
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Lumen
A lumen is the unit used to measure the total amount of visible light emitted by a light source.
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Matter
Matter is a smart-home connectivity standard designed to improve interoperability between compatible smart-home devices and ecosystems.
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Mobile App Control
Mobile app control allows users to monitor and operate compatible home automation systems through a smartphone or tablet.
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Motion Sensor
A motion sensor detects movement within a defined area and can trigger actions such as turning on lights, sending alerts or activating security systems.
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Motorised Curtains
Motorised curtains use electric motors to open and close curtains automatically through switches, remote controls, sensors or automation systems.
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Multiroom Audio
Multiroom audio distributes music or other audio content across multiple rooms, allowing individual or synchronised playback.
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Network Switch
A network switch connects multiple wired devices on an Ethernet network and allows them to communicate with each other.
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NFC
NFC, or Near Field Communication, is a short-range wireless technology that enables compatible devices to exchange information when placed close together.
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Night Mode
Night mode is an automation scene or setting designed for nighttime use, often reducing lighting levels and changing the behaviour of other systems.
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Node
A node is an individual device or endpoint within an automation or communication network.
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Occupancy Sensor
An occupancy sensor detects whether a space is being used and can automatically control lighting, HVAC or other systems.
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Open Protocol
An open protocol is a communication standard that allows devices from different manufacturers to communicate when they follow the same protocol.
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OTA Updates
OTA, or Over-the-Air updates, allow compatible devices to receive software or firmware updates through a network without requiring a physical connection.
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Outdoor Automation
Outdoor automation includes automated control of systems such as gates, lighting, irrigation, pergolas, blinds and security equipment.
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Perimeter Intrusion Detection
Perimeter intrusion detection uses sensors and security technologies to identify attempts to cross or enter a protected property boundary.
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PIR Sensor
A PIR, or Passive Infrared Sensor, detects changes in infrared radiation caused by moving people or objects.
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PoE
PoE, or Power over Ethernet, allows compatible devices to receive both electrical power and network data through a single Ethernet cable.
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Power Supply
A power supply converts and provides the electrical power required by automation devices, controllers, sensors and other equipment.
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Presence Detection
Presence detection identifies whether a person is present in a space. Depending on the technology, it can detect presence even when a person is sitting relatively still.
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QR Code Access
QR Code Access is a smart-access method where a QR code can be used to authenticate a visitor or user and provide controlled access to a property.
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Quality of Lighting
Quality of lighting describes the overall visual performance of a lighting system, including factors such as colour rendering, colour temperature, uniformity, glare and flicker.
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Queue Management
Queue management refers to controlling the sequence in which commands or events are processed by an automation or control system.
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Quick Scene
A quick scene is a predefined automation command that activates multiple actions with a single button press or command.
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Relay
A relay is an electrically controlled switch that allows an automation system to turn an electrical load on or off.
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Retrofit Automation
Retrofit automation adds smart-home capabilities to an existing property without necessarily requiring a complete rebuild of its electrical infrastructure.
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RF
RF, or Radio Frequency, refers to wireless communication using radio waves. Many wireless switches, sensors and automation devices use RF communication.
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RGB Lighting
RGB lighting uses red, green and blue LEDs to create a wide range of colours through different combinations of the three primary channels.
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Room Controller
A room controller manages multiple functions within a particular room or zone, such as lighting, temperature, curtains and scenes.
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RS-485
RS-485 is a wired communication standard designed for reliable data transmission over relatively long distances. It is commonly used by automation, HVAC, access-control and industrial devices.
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RTI
RTI, or Remote Technologies Incorporated, is a professional control and automation platform used to integrate and operate AV, lighting, climate, shades and other systems.
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Scene Control: Simplifying Everyday Home Automation
Learn what Scene Control means, how it works, and how it is used in modern home automation and smart-home systems.
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Sensor
A sensor detects a physical or environmental condition—such as motion, temperature, light, humidity or water—and provides information to an automation system.
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Smart Home Controller: Managing Your Connected Home
Learn what Smart Home Controller means, how it works, and how it is used in modern home automation and smart-home systems.
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Smart Home Integration: Connecting Your Home Systems
Learn what Smart Home Integration means, how it works, and how it is used in modern home automation and smart-home systems.
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Smart Home Technology for Modern Living
Learn what Smart Home means, how it works, and how it is used in modern home automation and smart-home systems.
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Smart Lock
A smart lock is an electronically controlled door lock that can provide keyless access through methods such as PINs, biometrics, smartphones, cards or remote commands.
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Smart Panel
A smart panel is a touchscreen or advanced wall-mounted controller used to operate multiple home automation functions from one interface.
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Smart Switch
A smart switch is a connected electrical switch that can be controlled manually, remotely or automatically through an automation system.
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Thermostat
A thermostat measures and controls temperature to maintain a desired level within a room or building.
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Time-Based Automation
Time-based automation activates predefined actions according to a specific time, schedule or recurring routine.
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Touch Panel
A touch panel is a touchscreen interface used to control functions such as lighting, HVAC, curtains, security and entertainment.
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Touch Sensor
A touch sensor detects physical touch or contact and can be used to trigger lighting, scenes, access control or other automation functions.
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Trigger
A trigger is an event or condition that starts an automation. For example, detecting motion can trigger a light to turn on.
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Ultrasonic Sensor
An ultrasonic sensor uses sound waves above the range of human hearing to detect distance, movement or the presence of objects.
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Universal Remote
A universal remote combines control of multiple compatible devices into a single remote-control interface.
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UPS
UPS, or Uninterruptible Power Supply, provides backup power to connected equipment when the main power supply fails or becomes unstable.
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User Interface (UI)
A user interface is the method through which a person interacts with an automation system, such as a keypad, touchscreen, mobile app or voice assistant.
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Video Door Phone
A video door phone allows occupants to see and communicate with visitors before granting access to a property.
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Virtual Switch
A virtual switch is a software-based switch that appears within an automation interface and can be used to trigger scenes, devices or automation logic.
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Voice Control
Voice control allows users to operate compatible automation functions using spoken commands through voice assistants or dedicated control systems.
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VRF
VRF, or Variable Refrigerant Flow, is an HVAC technology that allows refrigerant flow to be varied to provide individual temperature control across multiple zones.
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VRV
VRV, or Variable Refrigerant Volume, is a proprietary term used by Daikin for its variable-refrigerant HVAC technology. VRV and VRF systems can be integrated with building automation systems.
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Wall Washing
Wall washing is a lighting technique that illuminates a wall relatively evenly, reducing visible shadows and highlighting the overall surface.
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Water Leak Sensor
A water leak sensor detects unwanted water and can send an alert or trigger an automated response, such as shutting off a water valve.
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Whole-Home Automation for Seamless Smart Living
Learn what Whole-Home Automation means, how it works, and how it is used in modern home automation and smart-home systems.
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Wi-Fi Automation
Wi-Fi automation uses Wi-Fi-connected devices to communicate with a home network and provide smart control of compatible equipment.
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Wireless Automation
Wireless automation uses wireless communication technologies to connect sensors, switches, controllers and other smart-home devices without dedicated control wiring.
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X10
X10 is an early home automation communication technology that allowed compatible devices to exchange control signals, traditionally over a property's electrical wiring.
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XLR
XLR is a professional audio connector commonly used for microphones, amplifiers and other AV equipment. It is widely used in professional audio and home-theater installations.
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Yale Smart Lock
Yale Smart Locks are connected access-control products that allow doors to be operated and monitored using electronic access methods, depending on the model.
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Yard Automation
Yard automation refers to the automated control of outdoor areas, including garden lighting, irrigation, gates, outdoor entertainment, pergolas and other landscape systems.
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Z-Wave
Z-Wave is a wireless communication technology designed for smart-home and building automation devices, particularly sensors, switches and controllers.
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Zero-Cross Switching
Zero-cross switching is a technique where an electrical load is switched close to the zero point of an AC waveform, helping reduce electrical stress and interference.
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Zigbee 3.0
Zigbee 3.0 is a unified version of the Zigbee standard designed to improve interoperability between different categories of Zigbee devices.
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Zigbee Coordinator
A Zigbee coordinator manages a Zigbee network and provides the central point through which compatible Zigbee devices can join and communicate.
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Zigbee Mesh Network
A Zigbee mesh network allows compatible devices to communicate through multiple network paths, helping extend wireless coverage across a property.
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Zigbee Router
A Zigbee router forwards communication between devices within a Zigbee network and can help extend the coverage of a Zigbee network.
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Zigbee Technology for Smart Home Connectivity
Learn what Zigbee means, how it works, and how it is used in modern home automation and smart-home systems.