Monday, 30 November 2015


The Velmenni co. successfully tested the new mode of data 

transmission; the Li-fi; the transmission of data by the help of 


Velmenni Jugnu is the next generation of smart LED bulbs that can transfer data through visible light.  Velmenni said"vthey are implementing the Li-Fi technology in  new range of LED bulbs. It refers to the wireless communication system which uses light as a medium of transport instead of traditional radio frequencies. Although the use of light in order to transmit data can be limited in comparison to radio waves, there is a great amount of possibilities that can be developed with the proper use of this technology. 

This project has always been a dream project of Velmenni team.The team  have researched in the past and also developed a basic prototype to demonstrate Visible Light Communication. They transferred serial data synchronously from a PC/Laptop screen to a micro-controller board using visible light. A GUI was developed in MATLAB and a receiver circuit was made using Arduino and photodiodes. They successfully transferred a text file using this method. We only had to keep your micro-control board in front of the laptop screen (GUI) and the data was transferred wirelessly using visible light communication. 
Now, they are on their way to implement this unique technology in their Smart LED bulb which can transfer data to other bulbs, mobile phones, and internet. They are also working on an android app which would receive data from Jugnu, The Smart LED bulb and would also transmit it back to the app.

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