VOICE this electrical energy is very low to

VOICE INITIATED ELECTRICITY GENERATIONINTRODUCTION:The  project is an attempt to place an idea of  turning sound into electricity, allowing a mobile to be powered up while its user holds a conversation.

 This then promises a way to recharge phones using nothing but the power of the human voice but this would also be able to harness background noise and even music to charge a phone while it is not in use.MINOR PART:BY UNCONVENTIONAL SOURCE: (Completed)

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  • TRANSMITTER SECTION:

The project is initiated by sound which operates the switch either ON or OFF. The microphone picks this sound and converts sound energy into electrical energy. The power of this electrical energy is very low to operate the relay, therefore this energy is fed to the transistors to amplify the signal and enhance the energy..

  • RECEIVER SECTION:

This comprises of motor which rotates generator which produces electricity which can be used for various applications, such as, multimeter testing, street lightening, charging of capacitor, and recycling of energy to be used in battery for storage during power failures.

 This minor part is powered by solar panel which is designed for converting sunlight to electric energy. The solar radiation is absorbed by photovoltaic cell in which light excites electrons to move from one layer to another through semiconductive silicon materials. This produces an electric current. During power failures, batteries provide an emergency supply of electricity as they can be used again after they have discharged their electrical energy and can also be recharged.pic 1


 MAJOR PART: (WORKING)BASED ON:Mobile phones could be charged by the power of speechMobile phones could soon be charged by simply speaking into the handset.Engineers have developed a new technique for turning sound into electricity, allowing a mobile to be powered up while its user holds a conversation.For mobile phone users, a flat battery or a lost charger are among the frustrations of modern life.

Now new research promises a way to recharge phones using nothing but the power of the human voice.Electrical engineers have developed a new technique for turning sound into electricity, allowing a mobile to be powered up while its user holds a conversation.The technology would also be able to harness background noise and even music to charge a phone while it is not in use.

However, there could be a downside to the innovation, if it gives people a new reason to shout into their phones as they attempt to squeeze in every extra bit of power they can.Dr Sang-Woo Kim, who has been developing the design at the institute of nanotechnology at  Sungkyunkwan University in Seoul, South Korea, said: “A number of approaches for scavenging energy from environments have been intensively explored.”The sound that always exists in our everyday life and environments has been overlooked as a source. This motivated us to realise power generation by turning sound energy from speech, music or noise into electrical power.”Sound power can be used for various novel applications including cellular phones that can be charged during conversations and sound-insulating walls near highways that generate electricity from the sound of passing vehicles.”The latter development would have the additional benefit of reducing noise levels near highways by absorbing the sound energy of vehicles.”

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