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Integrated Light Sensing and Communication for LED Lighting

By Massimo Ruo Roch and Maurizio Martina

Abstract

Solid state lighting is nowadays widely diffused both in residential and office or industrial environment. Ambient light sensing to modulate lamp power is typical too, but sensors inside a lamp are a challenge, due to the high flux of these sources, which easily saturates nearby light detectors. Usually, separate sensing devices must be introduced in the system, thus increasing complexity and cost. In this work, a methodology will be presented, to allow integration of a light sensing device inside a lamp, using low cost circuitry to mitigate interactions between high power light-emitting diode (LED) sources and sensing photodiodes. Moreover, the same circuit allows visual light communication among sources

Topics: LED, Ambient Light Sensing (ALS), Visual Light Communication (VLC), Internet of Things (IoT), sensing, Technology, T, Engineering design, TA174
Publisher: MDPI AG
Year: 2018
DOI identifier: 10.3390/designs2040049
OAI identifier: oai:doaj.org/article:c88f58950280496d8e4697ec808c8608
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