VEHICLE
OVERSPEED DETECTION WITH AUDIO BUZZER ALERT SYSTEM ON HIGHWAYS.
Technical Specifications:
Title
of the Project : Vehicle overspeed detection with
audio buzzer alert system on highways
Domain : Embedded Systems
Microcontroller : AT89S52
Display : 16X2 LCD
DC Motor ; 10 (rpm)
Communication : 2 IR (Tx, Rx) pair
TSOP : 1
Software languages : Embedded
C, Keil software
ABSTRACT
Nowadays
people are driving very fast, accidents are occurred more frequently, we loss
our valuable life by making small mistake while driving. So to avoid such kind
of accidents, it is necessary to alert the driver and to control the speed of vehicle
automatically. The main objective of this project is to develop signaling unit
to indicate the type of zone to the vehicle and to control the vehicle speed.
Every zone like school, highway and etc may have a IR based transmitter tag to
transmit the zone information. This signal should be received by the vehicles
and accordingly varies the speed limit of the vehicle. In practical, an
actuator may be used to control the throttle of the vehicle. But to show the
demo module here we used a DC motor, and varying the speed of it.
The
project is built around AT89S52 MCU. Here we are using a pair if IR
transmitter, receiver pair to track the particular school zone and
automatically reduce the vehicle speeds. This information will be displayed on
16X2 LCD. At each and every speed limiting zone it is placed with IR
transmitter and vehicle consists of a receiver to track. Once it crosses the
particular area automatically it gives buzzer sound. We are using a DC motor
for symbolic representation of vehicle.
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.
BLOCK DIAGRAM
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