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PROJECT DESCRIPTION

The main goal of this project is to implement an auto-intensity control of the LED based street light system that uses solar energy to conserve the electrical power on the streetlight byusing Raspberry Pi board. As the traffic decreases slowly in late night hours, the intensity is reduced progressively till morning to save energy, and thus, the street lights remain switched on at the dusk, and then switch off at the dawn, automatically. The process repeats every day.

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

This proposed system uses a Raspberry Pi board and battery for power supply. In this project, a solar panel is used to charge the battery. A charge controller circuit is used to control the charging. A string of the LEDs are interfaced to the Raspberry Pi board with the help of a MOSFET device.

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

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

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The main goal of this project is to implement an auto-intensity control of the LED based street light system that uses solar energy to conserve the electrical power on the streetlight byusing Raspberry Pi board. As the traffic decreases slowly in late night hours, the intensity is reduced progressively till morning to save energy, and thus, the street lights remain switched on at the dusk, and then switch off at the dawn, automatically. The process repeats every day.

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

This proposed system uses a Raspberry Pi board and battery for power supply. In this project, a solar panel is used to charge the battery. A charge controller circuit is used to control the charging. A string of the LEDs are interfaced to the Raspberry Pi board with the help of a MOSFET device.

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

This project in 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.
×
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
  • Raspberry Pi board
  • PC monitor/ TV
  • White LEDs
  • MOSFET
  • Battery
  • Regulator
  • Solar Panel
×
  • Raspberry Pi board
  • PC monitor/ TV
  • White LEDs
  • MOSFET
  • Battery
  • Regulator
  • Solar Panel
Software Requirements
  • Wiring Pi + PHP program
×
  • Wiring Pi + PHP program
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 family of microcontroller is used?
A:  Raspberry PI in-built Celeron processor is used and development board is also provided with this project
Q:  What is the concept used in this project?
A:  PWM technique is used in this project.
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