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PROJECT DESCRIPTION

The main goal of this project is to implement an auto intensity control of LED based street light system from solar energy for conserving the electrical power on the streetlight using Arduino board. As the traffic decreases slowly in late nights the intensity is reduced progressively till morning to save energy and thus, the street lights switch ON at the dusk and then switch OFF at the dawn automatically. The process repeats every day.

Intensity is not possible to be controlled for the high intensity discharge (HID) lamp which is generally used in urban street lights. LED lights are the future of lighting, because of their low energy consumption and long life and also they are fast replacing conventional lights where its intensity control is possible by the pulse width modulation.

This proposes system uses an Ardunio board and battery for power supply. In this project uses a solar panel to charge the battery. The charge controller circuit is used to control the charging. A string of LED’s are interfaced to the Ardunio board with help of a MOSFET switch.

The intensity control of LED light is possible by varying duty cycle from a DC source. A programmed Arduino board is engaged to provide different intensities at the different times of night using PWM technique. The charge controller is used for protect the battery from overload and deep discharge protection.

This project future can be enhanced by integrating the LDR to follow the switching operation precisely.

PROJECT HIGHLIGHTS
Street Light with Intelligent Charge Controller.
Call/mail for Tech Support from 10 am - 7 pm IST.
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
BLOCK DIAGRAM
Hardware Requirements
  • Arduino board
  • White LEDs
  • MOSFET
  • Battery
  • ATmega AVR series Microcontroller
  • Regulator
  • Solar Panel
Software Requirements
  • Arduino Software
  • Language: Arduino Programming Language
Q & A
Q:  What is the concept or technique used in this project?
A:  PWM technique is used in this project.
Q:  Can I use a higher rating Solar Panel?
A:  Yes, a solar panel with rating limited to 6V, 20W can be used.
Q:  Can I use a battery with higher rating to charge the system?
A:  Yes, but only rating limited to 7AH
Q:  Can a lamp be used as a load?
A:  Yes, about 6W to 10W lamp can be used as the load.
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