Visible Light Communication

By onsemi
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First established in the 1790s, visible light communication (VLC) is ready again for prime time. As the name suggests, VLC uses light instead of radiofrequency (RF) to communicate. Read More


The data is converted into modulated light and transmitted to a receiver. The modulated light is captured by an image sensor or a photodiode on the receiver end and converted into a digital signal, which the system microcontroller then processes.

Recent advancement in LED technology has revived the applicability and efficiency of VLC. New LED technology has made it easier to illuminate and communicate using the same LEDs, eliminating the need for a separate communication infrastructure. Rather than install and deploy separate communication nodes, access points or beacons, VLC can be integrated into existing luminaries.


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