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    White LED (Light Emitting Diodes) substitutes HID lanterns in road illumination system to add on dim element. 8051 family’s micro-controller is bring into play to control the power by growing pulse width transformed pointers that impels a MOSFET to swap the Light Emitting Diodes accordingly to accomplish most wanted function.

    This project is brought to you by edgefxkits.com

    Block Diagram of Automatic Street Lights Intensity Control

    Automatic Street Lights Intensity Control block diagram

    AUTO INTENSITY CONTROL OF STREET LIGHTS

    In the current system, maximum lightning over the freeways is completed through HID (High Intensity Discharge lamps), the energy utilization of HID lamps/lanterns are high. The intensity of HID lamps cannot be controlled, in harmony to the necessity, therefore there is a requirement to swap to a substitute way of illumination system i.e., by making use of LEDs. This lighting system is constructed to conquer the disadvantages of High Intensity Discharge lamps.

    This lightning system exhibits the utilization of the Light emitting diodes or LED’s as the source of light and its intensity control is variable which can be altered as per the requirement. LED’s use a lesser amount of power and its life span is good, in comparison to the old HID lanterns/lamps. The more vital and motivating characteristic is that the intensity of LED’s can be controlled as per the requirement throughout non-peak hours which is not possible with HID lanterns/lamps.

    A bunch of LEDs are brought into play to structure a street light. The micro-controller includes planned instructions which are used for controlling the intensity of lanterns based on Pulse width modulation (PWM) produced indicators. The lights intensity are kept soaring all through the peak hours, because the street traffic have a propensity to reduce slowly during late night hours, the intensity of the traffic also declines gradually till sunrise. Finally it’s totally shuts down at dawn, and it’s all over again restarts at 6pm during the dusk. The course of action is repeated.

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    This theory in future can be improved by incorporating it with the solar energy panel, which exchanges the solar energy into parallel electrical energy, and this electric power is utilized to light up the freeway lanterns/lights.

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    4 Responses to "Automatic Street Lights Intensity Control Project"

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    1. This project can be done with a 555 IC and a few parts.

      • mesafint says: on June 22, 2014 at 11:30 pm

        sir please help me my question Automatic Street Light Controller Circuit Using Relays and LDR Night off and morning on? circuit diagram

    2. Anupam Dawn says: on February 12, 2014 at 6:26 pm

      I want this project to done the sucessful…so, please help me sir…..

    3. “I want this project to done the successful”

      More details needed

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