Density based traffic
light system with auto traffic signal transition for VIP vehicles /ambulance
Technical
Specifications:
Name
of the Project : Density based traffic light system with auto traffic
signal transition for VIP
vehicles /ambulance
Domain : Embedded Systems
Microcontroller : AT89S52
Communication : IR (Tx,Rx)
TSOP : 1
Software languages : Embedded
C, Keil software
ABSTRACT
It is important to know
the road traffic density real time especially in metropolitan cities for signal
control and effective traffic management. In recent years, video monitoring and
surveillance systems have been widely used in traffic management. Traffic
control is a very difficult task for traffic control department, especially in
metro cities. The Project is designed to check the density of traffic in
particular place and the information is conveyed to traffic control station.
This
project is designed with AT89S52 microcontroller. Three pairs of IR Tx-Rx are
used here to indicate the density of the traffic.
The module consists of a IR emitter and
TSOP receiver pair. The high precision TSOP receiver always detects a signal of
fixed frequency. Due to this, errors due to false detection of ambient light
are significantly reduced.
This
project uses regulated 5V, 500mA power supply. 7805 three terminal voltage
regulator is used for voltage regulation. Bridge type full wave rectifier is
used to rectify the ac out put of secondary of 230/12V step down transformer.
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