LightWave: using compact fluorescent lights as sensors

@inproceedings{Gupta2011LightWaveUC,
  title={LightWave: using compact fluorescent lights as sensors},
  author={Sidhant Gupta and Ke-Yu Chen and Matthew S. Reynolds and Shwetak N. Patel},
  booktitle={UbiComp},
  year={2011}
}
In this paper, we describe LightWave, a sensing approach that turns ordinary compact fluorescent light (CFL) bulbs into sensors of human proximity. Unmodified CFL bulbs are shown to be sensitive proximity transducers when they are illuminated. This approach utilizes predictable variations in electromagnetic noise resulting from the change in impedance due to the proximity of a human body to the bulb. The electromagnetic noise can be sensed from any point along a home's electrical wiring. This… CONTINUE READING
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