Design and Implementation of Automatic Street Light Control System using Light Dependent Resistor

  IJETT-book-cover  International Journal of Engineering Trends and Technology (IJETT)          
  
© 2016 by IJETT Journal
Volume-35 Number-10
Year of Publication : 2016
Authors : Gouthami. C, Santosh. C, A. Pavan Kumar, Karthik. A, Ramya.K.R
  10.14445/22315381/IJETT-V35P293

MLA 

Gouthami. C, Santosh. C, A. Pavan Kumar, Karthik. A, Ramya.K.R"Design and Implementation of Automatic Street Light Control System using Light Dependent Resistor", International Journal of Engineering Trends and Technology (IJETT), V35(10),465-470 May 2016. ISSN:2231-5381. www.ijettjournal.org. published by seventh sense research group

Abstract
In today’s world, streetlights are very much required in populated regions. Due to busy lifestyle of humans, switching operations on streetlights are not carried out on time, and a huge amount of electricity is being wasted. In the present system it is observed that streetlights are not turned OFF even when there is ample amount of light after sun rise and are turned ON even before sunset. Even in timer based street light control systems, the ON and OFF time differ noticeably during sunny and rainy days. To overcome these problems, an automatic streetlight controller is to be designed. The project aims to eliminate the manual operations and to design an energy efficient automatic streetlight controller using light dependent resistor and microcontroller. The microcontroller ‘ATmega8’ is used as brain to control the streetlight system. The programming language used for developing codes to the microcontroller is Clanguage. This automatic streetlight controlling system requires less maintenance and it is highly reliable. The LCD displays the real time and the variation in voltage across the LDR circuit, due to changes in the illumination of sunlight. The real time, ON time and OFF time setting is done using the keyboard and LCD display. The change in voltage across LDR circuit and the ON and OFF time settings are analyzed by the microcontroller and enables the automatic switching operation when the switching conditions are satisfied. The system is highly economical and reliable and requires very less maintenance.

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Keywords
Light Dependent Resistor (LDR), Street Light, Microcontroller, Illumination.