The term Li-Fi was coined by Prof Haas when he amazed people by streaming high - definition video from a standard LED lamp at TED Global in July 2011. As told earlier Li-Fi uses light to transmit data unlike Radio waves. This is believed to be the next generation of internet, where Light will be used as a medium to transport data. Li-Fi and Wi-Fi are both used for wireless communication and transmission of data. Here is one LM386 based audio amplifier circuit to receive he li-fi Audio. CONCLUSION. Don't give up, read, read ... make, make ... repeat ;). Conclusion The benefits that you can gain from LiFi is immense. Unlike Wi-Fi, Li-Fi is confined to a small range. Sarah Yasin is working as a Tech Content Writer for Electronicslovers.com. This will help to make underwater communication much easier. Numerous research projects were conducted within the EU and the US, including several conducted within the University of Edinburgh in Scotland that led to the invention of LiFi. Video demonstrating Li-Fi circuit: Watch it full screen. As of now, more than 20 countries are using LI-FI. In transmitter side, when we connect 3.5mm jack to audio source LED will glow but there is no fluctuation in the intensity of light when the audio source is OFF. Both the technologies LiFi and WiFi co-exist together based on their respective unique features. Learn more about LM386 based Audio Amplifier here. ByRishabh Jain You can put the LED’s at max. There are numerous applications of Li-Fi in use today and are increasing day by day. you are just using the straight analog audio signal to amplitide modulate (AM as in medium wave radio) the light intensity. The LED light bulb uses a fast alternating stream of dim and bright signals that are invisible to the human eye. In conclusion we can say that Li-Fi is superior to traditional radio based communication, but Li-Fi may not be without its limitations or disadvantages which may be yet to discover. The data transmission here will be very fast than RF. This basic LiFi tutorial covers following sub topics: Main page of LiFi tutorial LiFI PHY LiFi MAC LiFi Modulation types LiFi Bands LiFi Products LiFi is the short form of "Light Fidelity". quality is not good or range . Applications of Lifi. Wi-Fi, for example, uses radio waves transmitted over modems whereas on the other hand Li-Fi uses visible light from LED bulbs for transmission and receiving of data. Here we are using battery to power up the LEDs because there is less power coming from the audio source which is not enough to power the LEDs. It is obvious that you need to read *a lot more* and to clarify for yourself many things, I hope you complete your mini project and learn new things and clarify the things that are not clear to you now. In August 2018, telecom operator O2 announced its cooperation with pureLiFi, the UK-based LiFi company, to test LiFi transmission for … You can make your own amplifier circuit to improve the voice quality like shown below. So, when the light of LED falls on the panel, voltages will varies according to the intensity of light .Then voltages of solar panel is fed into amplifier (Speaker) which amplifies the signal and giving the audio output through the speaker connected to the amplifier. Instead of using readily available speaker set, like we have used above, you can also make your own amplifier to reduce the noise. This might be an advantage but it also limits the range for Li-Fi to work in. Have patience and read before you post your comments. Where there is an LED light, there can be data. 7. LED lamps are the source used for encoding data by switching the light on and off during regular intervals to create a binary code. Wi-Fi, as we know, uses radio waves which are not suitable for use underwater. Li-Fi can be used in traffic lights to update drivers on weather conditions and traffic information so they can have a smooth journey on the road. Some of the most common applications of Li-Fi are summarized below: The Military. In its present state, only LED lamps can be used for the transmission of visible light. CONCLUSION By this project, some of the industrial parameters can be monitored continuously at regular intervals of time. You can further increase the range by increasing the area of solar panel and higher wattage Power LED. Audio Transfer using LED and Li-Fi Technology With the boom of Smart Phones, Internet of things (IoT), Industrial Automations, Smart Home Automation systems etc. While there are, in practice, still some hurdles to overcome, the lab results are very promising and in some applications the technology has already proven the capabilities. VLC). His demonstration showed how changes in the amplitude of a light bulb at high speeds can be used for energy transmission. Cloud Computing- All you need to know |... How to Optimize Thermal Management of Electronics Devices. Li-Fi (also known as light fidelity) is a technology for the wireless transmission of data between devices Li-Fi uses light as a medium for transmission of data. Electronics lovers provide information by publishing tutorials, electronic circuit, Technology news, Final year project ideas and DIY stuff. Here we will discuss a few of these applications. 15-20cm distance from the solar panel to get the clear audio output. Coding is written in the java … It works on the principle of Visible Light Communication (i.e. Therefore, by using this system, we can obtain a better speeds than Wi-Fi and normal connecting cables which are commonly used for the file transfer. 4 Conclusions and Recommendations. Audio signals a are analog. Maximum speed of Li-fi is tested 100Gbps and it can be upto 240 Gbps theoretically. Nowadays, the most trending domain in wireless communication is Wi-Fi and internet users are also being increased every year. They are used in institutions for better customer service. This is transmitted to the other end where the receiver decides it. This is why Li-Fi could lead to new opportunities and a higher capacity of data transmission as compared to Wi-Fi. Since then the use of this wireless technology has increased, now being deployed in more than 20 countries. 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