Although the focus on energy saving and mood creation in lighting designs was drawn years back, beyond a certain extent translating thoughts into actions was not possible at that point of time. In the last one decade or so, a vast change has occurred in the field of sensors. Different kinds of them, including ambient light sensor, proximity detection sensor, RGB colour determining sensors, gesture recognition sensors and UV/IR detection sensors are readily available today. Also, their sizes have reduced remarkably. One more interesting development in the field is the advent of multifunctional all-in-one sensors. These sensors are capable of sensing lighting levels, occupancy levels, temperature, humidity, air quality, sound and positioning of objects very accurately.
On the other hand, vast technological improvements of the LED-based lamps and development of signalling technologies like Bluetooth, IR etc., have made it possible to integrate individual lamps to create a vast network of communicating lamps and control them. Thus, the concept of smart lighting with smart lamps is all set to change our activities.
Besides serving the very basic purpose of colourful illumination, today’s LED lamps are getting involved in many of our day-to-day activities. A modern lighting system also involves Internet of Things (IoT). IoT facilitates seamless communication among the lamps and their controllers. Although the word Internet is being used here, an LED lamps’ network does not always require Internet for effective control. Once connected to Internet, the lights can be operated from any of the outdoor positions – literally from one pole of the world to the other pole.
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