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Wireless light switch
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<h2 id="common-uses-for-wireless-switches">Common uses for wireless switches</h2> <h3>Complicated wiring</h3> <p>Multiple wireless transmitters can command a single receiver. This means switches in different locations can turn the same electrical load on or off. Switching like this is often used in stairwells or rooms where two or more switches are used to turn one light on or off. Achieving this result with wired <a href="/facts/Multiway_switching/ArzyYHhH">three-way or four-way switches</a> requires a higher level of electrical knowledge and more time for wiring and installation. </p> <h3>Remodelling</h3> <p>Wireless light switches eliminate the wire from the light to the switch location. This is useful in <a href="/facts/Renovation/gYdJldPs">remodelling</a> situations where new wiring can be a hassle. Rather than tearing down a wall to gain access to the wires, a wireless switch can be used. This avoids any need to access wires and makes remodelling fast and simple. </p> <h3>Log homes</h3> <p>Another use for wireless switches is in <a href="/facts/Log_home/gRIPJ2d5">log homes</a>, where electrical installations can be difficult because of the amount of <a href="/facts/Wood_router/qCBfPywe">routing</a> and <a href="/facts/Drilling/gdr632GJ">drilling</a> that would otherwise be needed. When running a regular (non-wireless) circuit, the <a href="/facts/Electrician/JWGGvdY6">electrician</a> must drill a hole through all of the logs to get each <a href="/facts/Wire/yyy05H1S">wire</a> to the switch location. The electrician also must cut a large hole in the log to install a <a href="/facts/Pattress/vWo6yzEb">switch box</a>. Wireless switches do not need switch boxes because there are no wires and no routing is needed. This decreases the electrical work required. </p> <h3>Brick, concrete, tile and plaster walls</h3> <p>Installing a wired switch in a solid <a href="/facts/Brick/2CBPgDIK">brick</a> or <a href="/facts/Concrete/K6whGVNx">concrete</a> wall or installing on a <a href="/facts/Lath_and_plaster/v8dRTf4X">plaster</a> or <a href="/facts/Tile/vk9El8Ty">tiled</a> wall requires delicate routing and drilling to create a channel in the wall for the wire and space for the switch and switch box inside the wall. This routing and drilling work could <a href="http://www.diyadvice.com/diy/electrical/cable/installing-boxes-in-finished-walls/">damage</a> the surface, causing expensive repair work. Wireless switches do not need any channels, holes, boxes or wire in the wall. This reduces the amount of electrical work required when installing a switch. </p> <h2 id="battery-free-switches">Battery-free switches</h2> <p>All remote light switches require a power source in order to facilitate the transmission of a signal to the receiving device. Some of these switches rely on batteries for power output while most are required to be wired into an existing electrical system. <a href="/facts/Lightning_Switch/CzyzqYB6">Lightning Switch</a>, <a href="/facts/EnOcean/x36rIGhf">EnOcean</a>, <a href="http://cherryswitches.com/us/energy-harvesting/">CHERRY</a> and others manufacture wireless light switches that use <a href="/facts/Energy_harvesting/Q4VqlNT0">energy harvesting</a> instead of <a href="/facts/Battery_(electricity)/bqEpm4ue">batteries</a> ISM ENIGMA. The mechanical energy created by pressing the switch generates enough electricity to power a built-in transmitter that sends a radio signal to the receiver. </p> <h2 id="smart-switches">Smart switches</h2> <p>There are more and more light switches can be controlled by smartphone. Usually user can control the light using mobile app. But for some products, extra corresponding <a href="/facts/Smart_home_hub/g7XD6fmE">hub</a> is needed to connect those smart switches. In order to avoid the hub, wireless light switch and luminaire needs to share the same protocol, e.g. <a href="/facts/Bluetooth_mesh_networking/STv7m9uM">Bluetooth mesh Lighting model</a> or <a href="/facts/Zigbee/SG0GxpjI">Zigbee</a> LightLink. </p><p>Apple also provide <a href="/facts/HomeKit/YGcIMtuM">HomeKit</a> which try to integrate all those user interfaces. </p><p>A "smart pill" is a <a href="/facts/Relay/NQcb9usW">relay</a> which can be added to an electrical circuit to turn on or off one or more appliances, like lights or solar screens. Smart pills can for example be controlled via an app, a wireless switch and/or a conventional <a href="/facts/Push_switch/HMqpna9y">push switch</a>. </p> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/Smart_plug/jAAYtoxF">Smart plug</a></li></ul> Wikimedia Commons has media related to Wireless switch. <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Cipriani, Jason (2023-01-04). "Nanoleaf announces Matter-compatible smart lighting at CES 2023". ZDNET. Retrieved 2023-06-18. <a href="https://www.zdnet.com/home-and-office/smart-home/ces-2023-nanoleaf-new-matter-compatible-smart-lighting-products/" target="_blank">https://www.zdnet.com/home-and-office/smart-home/ces-2023-nanoleaf-new-matter-compatible-smart-lighting-products/</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> </ol>