Project Summary: Statistics show that almost three-fourth of the demands of energy in the world is fulfilled by fossil fuels. Since fossil fuels are hydrocarbons, burning fossil fuels releases a large amount of carbon dioxide into the air. This increased percentage of carbon
Smart Street Light System
Project Summary:
Statistics show that almost three-fourth of the demands of energy in the world is fulfilled by fossil fuels. Since fossil fuels are hydrocarbons, burning fossil fuels releases a large amount of carbon dioxide into the air. This increased percentage of carbon dioxide causes global warming. Combustion of fossil fuels not only emits carbon dioxide into the air, it also releases other gases like carbon monoxide, methane, nitrous oxide, etc. that cause air pollution. To avoid this we have to reduce wastage of electrical energy and try to produce energy through other means instead of using fossil fuels. Currently, enormous amount of electrical energy is being consumed by the street lights, which remain switched on throughout the night. This causes a huge waste of electrical energy across the world and should be prevented. The main aim of smart street light systems is that lights turn on only when there are vehicles or pedestrians on the road and remain off otherwise. The street lights will be powered by the electrical energy generated through the pressure applied by footsteps and vehicles. So we don’t need to provide power to the street lights by energy from fossil fuels which are being depleted due to their increased demand. The smart street light system consists of DC lights, LDR, piezoelectric sensors, motion sensors and short-distance communication networks. Our main purpose is to reduce wastage of energy and make use of non-conventional sources for energy production.
Project Objectives:
Our project has the following objectives:
Project Implementation Method:
As in this project we have two stages. In the first stage we will produce energy through non-conventional sources of energy i.e. the electrical energy produced by pressure applied by footsteps and this energy will be stored in battery and utilized by powering the street lights and in the next stage we will save energy as the lights will turn on only when there is motion on the road. To implement this we will place sensors below the tiles which will be on the footpath, when the pedestrians walk on footpath energy will be generated and this energy will be stored in battery and then be utilized to power the lights. We will place a motion detection sensor on the light pole so the lights will only turn on when there are vehicles or pedestrians on the road.

Benefits of the Project:
Technical Details:
In this project, the street lights will turn on only when there is motion on the road and remain off otherwise. For this purpose we will use PIR sensors that detect a human being or vehicles moving around within approximately 10m from the sensor. This is an average value, as the actual detection range is between 5m and 12m.We will also use piezoelectric sensors to generate electricity. Piezoelectric sensor utilizes the piezoelectric effect, to measure changes in acceleration, strain, pressure, and force by converting them into electrical charge. The sensors will be arranged in series and parallel combination below the tiles used to make the footpath. This will produce AC voltage, which will be converted to DC voltage and stored in 12V battery. We will then use this energy to power the street lights which has DC bulbs of approximately 5W power.
| Item Name | Type | No. of Units | Per Unit Cost (in Rs) | Total (in Rs) |
|---|---|---|---|---|
| PIR Sensor | Equipment | 3 | 180 | 540 |
| Piezoelectric Sensor | Equipment | 30 | 60 | 1800 |
| Reed Relay | Equipment | 2 | 150 | 300 |
| Arduino | Equipment | 1 | 1000 | 1000 |
| Bulb | Equipment | 2 | 200 | 400 |
| DMM | Equipment | 1 | 1500 | 1500 |
| Tile | Equipment | 2 | 1000 | 2000 |
| Battery | Equipment | 3 | 3000 | 9000 |
| PCB (Board, acid, wire etc) | Equipment | 1 | 500 | 500 |
| Soldering Iron | Equipment | 1 | 500 | 500 |
| Clips | Equipment | 2 | 70 | 140 |
| Transport | Miscellaneous | 10 | 500 | 5000 |
| Internet | Miscellaneous | 7 | 500 | 3500 |
| Drilling | Miscellaneous | 2 | 250 | 500 |
| Others (res, cap, diode, rectifier) | Equipment | 4 | 30 | 120 |
| Wires | Equipment | 4 | 300 | 1200 |
| Internet Device | Equipment | 2 | 2500 | 5000 |
| Relay Module | Equipment | 2 | 250 | 500 |
| Drilling Machine | Equipment | 1 | 6000 | 6000 |
| Poles | Equipment | 2 | 250 | 500 |
| Total in (Rs) | 40000 |
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