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2. Wireless light switch - Wikipedia

   en.wikipedia.org/wiki/Wireless_light_switch

   Lightning Switch, EnOcean, CHERRY and others manufacture wireless light switches that use energy harvesting instead of batteries 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.

3. Lightning switch - Wikipedia

   en.wikipedia.org/wiki/Lightning_Switch

   The Lightning Switch transmitter requires no outside source of electricity.Each time the transmitter button is pressed, the transmitter converts the mechanical energy supplied by the user's finger into electricity to power a radio transmission to a receiver/relay through the use of a piezoelectric generator (brand name: Lightning) originally invented by the National Aeronautics and Space ...

4. Zigbee - Wikipedia

   en.wikipedia.org/wiki/Zigbee

   The typical example of a heterogeneous network is a wireless light switch: The Zigbee node at the lamp may constantly receive since it is reliably powered by the mains supply to the lamp, while a battery-powered light switch would remain asleep until the switch is thrown. In this case, the switch wakes up, sends a command to the lamp, receives ...

5. Li-Fi - Wikipedia

   en.wikipedia.org/wiki/Li-Fi

   Li-Fi modules. Li-Fi is a derivative of optical wireless communications (OWC) technology, which uses light from light-emitting diodes (LEDs) as a medium to deliver network, mobile, high-speed communication in a similar manner to Wi-Fi. [4]

6. Wireless power transfer - Wikipedia

   en.wikipedia.org/wiki/Wireless_power_transfer

   Wireless power transfer (WPT; also wireless energy transmission or WET) is the transmission of electrical energy without wires as a physical link. In a wireless power transmission system, an electrically powered transmitter device generates a time-varying electromagnetic field that transmits power across space to a receiver device; the receiver ...

7. Category:Remote control - Wikipedia

   en.wikipedia.org/wiki/Category:Remote_control

   Lightning switch; Lightware; ... Universal receiver; Universal remote ... Weemote; Wireless keyboard; Wireless light switch; X. X10 (industry standard) Z. Zenith ...