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Solar Powered Led Street Light with Auto Intensity Control
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PROJECT DESCRIPTION

The project is designed for LED based street lights with auto intensity control using solar power from photovoltaic cells. As awareness for solar energy is increasing, more and more individuals and institutions are opting for solar energy. Photovoltaic panels are used for charging batteries by converting the sunlight into electricity. A charge controller circuit is used to control the charging.

 Intensity of street lights is required to be kept high during the peak hours. As the traffic on the roads tends to decrease slowly in late nights, the intensity can be reduced progressively till morning to save energy. Thus, the street lights switch ON at the dusk and then switch OFF at the dawn automatically. The process repeats every day.

High Intensity Discharge lamps (HID) used for urban street light are based on principle of gas discharge, thus the intensity is not controllable by any voltage reduction method as the discharge path is broken. LED lights are the future of lighting, because of their low energy consumption and long life they are fast replacing conventional lights world over.

White Light Emitting Diode (LED) can replace the HID lamps where intensity control is possible by pulse width modulation. The intensity control helps in saving energy during late nights while traffic density on the streets is low.

A programmable microcontroller of 8051 family is engaged to provide different intensities at the different times of night using PWM technique, for energy saving for solar based system, using a charge controller for battery charging, overload and deep discharge protection.

Further the project can be enhanced by using time programmed dusk to dawn switching based on latitude and longitude of a specific place. It can also be interfaced to a LDR to follow the switching operation precisely.

PROJECT HIGHLIGHTS
Street Light with Intelligent Charge Controller.
Extensive audio-visuals available.
Branding-free material.
Call/mail for Tech Support from 10 am - 7 pm.
Pre-programmed Microcontroller.
All-inclusive solution kit.
Easy to use, Self-explanatory kit.
BLOCK DIAGRAM
Hardware Requirements
  • 8051 series Microcontroller
  • White LEDs
  • MOSFET
  • Battery
  • Regulator
  • Solar Panel
Software Requirements
  • Keil compiler
  • Language: Embedded C or Assembly
OTHER INFORMATION
Battery not included in the kit due to Courier service prohibition. Please buy NI-CAD LEAD ACID Rechargeable 6V battery for this project.
Q & A
Q:  What is the auto intensity control?
A:  Automatically controlling the intensity of street light according to the peak traffic hours in the night time and completely switching off at the day time is auto intensity control.
Q:  Which kind of street lights is used in this project?
A:  String of white LEDs are used which are comparatively far better than HID lamps
Q:  What is the concept used in this project?
A:  PWM technique is used in this project.
Q:  Can I use a higher rating Solar Panel?
A:  Yes a higher rating Solar panel can be used, but up to 6V, 20W rating only.
READ WHAT OTHERS HAVE SAID
Average Rating
 4.5/5
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Showing 4 of 5 reviews Show All
Deepak Penaganti, Bhimavaram on 18th September, 2014, 05:53 PM

Because It is Edgefx.The way you maintain Quality is good.Price should be reduce up to some extent.

V Avinash, Hyderabad on 9th June, 2014, 02:51 PM

I decided to buy a kit from Edgefx by looking the site. I like the Idea that is innovative and support is good.

Vinay Ganorkar., Nagpur. on 20th March, 2014, 10:51 AM

The website and it is userfriendly. I decided to buy a kit from Edgefx because by seeing the website. I bought DIY and I loved it.

Mohammed Shakeer, Karnataka on 25th February, 2014, 10:12 AM

I decided to buy a kit from Edgefx, by seeing the three different types of kit. I loved everything about the website also.

Rating Breakdown (5 Reviews)
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