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The project aims at saving energy by detecting the vehicle movement on highways and switching on the block of street light ahead of it and simultaneously reduces the intensity of the trailing lights. This project requires a LDR to detect day or night. The Smart street light provides a solution for energy saving which is achieved by sensing an approaching vehicle using the piezoelectric transducer which is cost effective and sends it to the AT mega328 microcontroller. Amount of generated electrical energy is unable to keep up with the demand, and also there is scarcity of raw materials for producing the energy. In countries like India, 1/5th of energy consumption is through street lighting. So, we have to save energy for future use. The conventional street lights are still designed according to old standards of reliability. Because of this, large amount of energy is wasted and it puts a lot of stress on the natural resources used for generating electricity. Smart Street light is an automated system which automates the street. The main aim of Smart Street light is to reduce the power consumption when there are no vehicle movements on the road. The Smart street light will turned to be ON when there are vehicles on the road otherwise the lights will be switched OFF. With advancement of technology, things are becoming simpler and easier for everyone in the world today. Automation is the use of control systems and information technologies to reduce the need for human work in the production of goods and services .Automation greatly decreases the need for human sensory and mental requirements as well. Automation plays an increasingly important role in the world economy and in daily experience. Automatic systems are being preferred over manual system. The research work shows automatic control of streetlights as a result of which power is saved to an extent. As the vehicle passes by, the trailing lights switch OFF automatically. Thus, we save a lot of energy. So when there are no vehicles on the highway, then all the lights remains to glow in low intensity.

SMART STREET LIGHT USING PIEZO ELECTRIC TRANSDUCER