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PROJECT DESCRIPTION

The main goal of this project is to provide a remote override facility for a density-based, dynamic-traffic-signal system that controls the traffic signals at a junction through Android-OS-based smartphones if it finds any emergency vehicles at the junction.

Traditionally traffic signal timings are changed automatically in peak hours by the sensing devices that sense traffic density at a junction.  However, the vehicles like ambulance, fire engines require top priority to cross signals during emergency conditions. Therefore, the proposed system is enhanced by a remote override facility that helps override the set timing by immediately flashing a green signal in the desired direction of such vehicles while blocking the other lanes by flashing a red signal for some time.

The proposed system is based on the 8051 microcontroller family. The project contains an IR transmitter and an IR receiver mounted on the roads which are opposite to each other. The number of LED lights that are connected to the microcontroller represents traffic-light signals. A Bluetooth device is interface to the microcontroller for communication.

For dynamic time control the IR system gets activated whenever any vehicle passes on the road between the IR transmitter and IR receiver. If any one of the way is blocked with a large number of vehicles, then this system changes the junction green signal timings automatically and, thus, avoids unnecessary waiting time at the junction. The density of the vehicles is measured in three zones: low, medium and high – according to which the timings are allotted. In addition, the signal overriding feature is activated by an Android application operated from the user end.

This project can be further improved by synchronizing all the traffic junctions in the city by establishing a wired or wireless network. This synchronization will greatly help in reducing traffic congestion. 

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The main goal of this project is to provide a remote override facility for a density-based, dynamic-traffic-signal system that controls the traffic signals at a junction through Android-OS-based smartphones if it finds any emergency vehicles at the junction.

Traditionally traffic signal timings are changed automatically in peak hours by the sensing devices that sense traffic density at a junction.  However, the vehicles like ambulance, fire engines require top priority to cross signals during emergency conditions. Therefore, the proposed system is enhanced by a remote override facility that helps override the set timing by immediately flashing a green signal in the desired direction of such vehicles while blocking the other lanes by flashing a red signal for some time.

The proposed system is based on the 8051 microcontroller family. The project contains an IR transmitter and an IR receiver mounted on the roads which are opposite to each other. The number of LED lights that are connected to the microcontroller represents traffic-light signals. A Bluetooth device is interface to the microcontroller for communication.

For dynamic time control the IR system gets activated whenever any vehicle passes on the road between the IR transmitter and IR receiver. If any one of the way is blocked with a large number of vehicles, then this system changes the junction green signal timings automatically and, thus, avoids unnecessary waiting time at the junction. The density of the vehicles is measured in three zones: low, medium and high – according to which the timings are allotted. In addition, the signal overriding feature is activated by an Android application operated from the user end.

This project can be further improved by synchronizing all the traffic junctions in the city by establishing a wired or wireless network. This synchronization will greatly help in reducing traffic congestion. 

PROJECT HIGHLIGHTS
Easy to use, Self-explanatory kit.
All-inclusive solution kit.
Extensive audio-visuals available.
Branding-free material.
Pre-programmed Microcontroller.
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.
Call/mail for Tech Support from 10 am - 7 pm IST.
Q & A
Q:  Which microcontroller is used in this project?
A:  The microcontroller used in this project is a 40 pin IC from 8051 family.
Q:  What are these blue and white color device used for?
A:  The blue and white color device is a preset, used as a variable resistor.
Q:  How can I install the Blue control App used for the project?
A:  Go to Google Play in your Android mobile search for Blue control App, select and install the blue control App.
Q:  How much distance does Bluetooth support?
A:  Bluetooth can support distance about 50 feet
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