LED light fixtures replace wi-fi

The municipal offices of St. Cloud, Minnesota are the first in the country to install a visible light communication system in place of Wi-Fi. The system, which uses LED fixtures to connect office computers to the internet, is saving lots of energy, and the city of St. Cloud lots of money on energy bills.

The LEDs flicker thousands of times a second, transmitting binary instructions to special modems which communicate back.

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.