Study and implementation of Automatic dimming control of LED street light

Electrical Engineering

In present day, the maintenance of streetlight is one among the foremost downside for electricity boards in India. Also, there’s scope for saving power throughout off peak time i.e. in from around midnight 12AM to 04AM within the morning. The way that are presently accustomed maintain and management the street light is a lot of advanced and uneconomical. During this paper a replacement technique is planned to regulate the intensity of LED Street lights using LDR, and to automate street lights using PIR sensors, and LDRs, leading to power saving. Implementation is done using PIC controller. This paper presents a sensible smart street lighting system that provides a secure already dark surroundings for all road users and pedestrian. The most objectives are to make associate degree automation system of street lighting using a cheap microcontroller that is PIC and to attain energy-saving. Light Emitting Diode (LED) is represented because the light module. This method is controlled consistent with the particular mode. These modes are controlled by two sensors which are Light Dependent Resistor (LDR) and Passive Infrared (PIR) sensor. This method can automatically turn on and off the lights according to traffic flow. This system operates throughout the night and therefore the focus is only for the unidirectional road at a junction. Street light will be on when only there is road user otherwise, it will turn off. This design can save a great amount of electricity or energy consumption compared to conventional street lights that keep alight throughout nights. Moreover, the upkeep value will be reduced and life of the system can increase. As the result, the system has been with success designed and enforced as a model system

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