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Density based Traffic Signal System using PIC Microcontroller
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PROJECT DESCRIPTION

The project is designed to develop a density based dynamic traffic signal system. The signal timing changes automatically on sensing the traffic density at the junction. Traffic congestion is a severe problem in many major cities across the world and it has become a nightmare for the commuters in these cities.

Conventional traffic light system is based on fixed time concept allotted to each side of the junction which cannot be varied as per varying traffic density. Junction timings allotted are fixed. Sometimes higher traffic density at one side of the junction demands longer green time as compared to standard allotted time.

The proposed system using a microcontroller of PIC16F8 series duly interfaced with sensors, changes the junction timing automatically to accommodate movement of vehicles smoothly avoiding unnecessary waiting time at the junction.

The sensors used in this project are IR and photodiodes are in line of sight configuration across the loads to detect the density at the traffic signal. The density of the vehicles is measured in three zones i.e., low, medium, high based on which timings are allotted accordingly.

Further the project can be enhanced by synchronizing all the traffic junctions in the city by establishing a network among them. The network can be wired or wireless. This synchronization will greatly help in reducing traffic congestion.

PROJECT HIGHLIGHTS
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
  • PIC16F8 series Microcontroller
  • LEDs
  • Voltage Regulator
  • Resistors
  • Capacitors
  • Crystal
  • Diodes
  • Transformer
  • IR & Photodiodes
Software Requirements
  • MPLAB & CCS C compiler
  • Language: Embedded C or Assembly.
Q & A
Q:  Can the distance be increased and implemented on the road directly?
A:  Yes, the distance can be increased and this project can be implemented on the road directly and this can be done at user end.
Q:  What is the role of a Microcontroller in this project?
A:  The microcontroller is used to develop a dynamic timing.
Q:  How the traffic is automatically sensed in the project?
A:  The traffic is automatically sensed by IR sensor arrangement.
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.
READ WHAT OTHERS HAVE SAID
Average Rating
 2.7/5
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Showing 1 of 1 reviews
rja, on 8th February, 2013, 12:43 PM

good but expensive.i am quitely impressesd a lot with model pic 108.if available in lesser amount interested to buy it

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