Remote accident report system for highways using rf
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Transcript of Remote accident report system for highways using rf
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SEMINOR ON
REMOTE ACCIDENT REPORT SYSTEM FOR HIGHWAYS USING RF
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AIM The Aim of this is to monitor the accidents which occur on the highways using RF technology.
The purpose of this is to report the monitoring section whenever accident occurs on the highways
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ABSTRACT In present days Electronic communication takes an
important role. In this we are sending information about vehicle
accident by using RF communication with the help of
Microcontroller.
An accident is a specific, identifiable, unexpected, unusual and
unintended external event which occurs in a particular time and
place, without apparent or deliberate cause but with marked
effects, it implies a generally negative probabistic outcome which
may have been avoided or prevented circumstances leading up to
the accident been recognized, and acted upon, prior to its
occurrence.
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COMPONENTSMicrocontrollerMax 232BuzzerTransformerH-BridgeLCD
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MICRO CONTROLLER
AT89S52
Power supply
H-Bride Motor
HT 12E Encoder
Accident detection ckt
RF TRANSMITTER
BLOCK DIAGRAM:
TRANSMITTER SECTION
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MICRO CONTROLLER
AT89S52
Power supply
HT12Ddecoder
RFRECEIVER
LCD
BUZZER
RECEIVER SECTION
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PORT 1:
Motors are connected to port one of micro controller through two h
bridges. The two h bridges are connected to P1.0, P1.1, P1.2 and P1.3
respectivelyPORT 3:
Switch is connected to P3.7. It is acts like an accident identification sensor.
PORT 2:
Port 2 can act as both input as well as output port. The
microcontroller port 2 pins are connected to the transmitter circuit. We
are using HT12E IC which is a 18 pin Ic.
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PORT 0:
This port 0 can act as both input as well as output port. In this port
zero is connected to lcd. The data pins of lcd is connected to data pins
of lcd.
PORT 2:
Port 2 can act as both input as well as output port. The
microcontroller port 2 pins are connected to the receiver circuit. We
are using HT12D IC which is a 18 pin decoder.
BUZZER:
Buzzer is connected to the port p3.0.
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Micro Controller
The AT89S52 is a low-power, high-performance CMOS 8-bit
microcontroller with 8K bytes of in-system programmable Flash memory.
The device is manufactured using Atmel’s high-density nonvolatile
memory technology and is compatible with the industry- standard 80C51
instruction set and pin out.
The on-chip Flash allows the program memory to be reprogrammed in-
system or by a conventional nonvolatile memory programmer.
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RF Transmitter
315/434 MHz ASK TRANSMITTER
Here in this the RF transmitter module is not directly connected to microcontroller. An Encoder is connected between the RF module and the controller, in order to encode the data for efficient transmission of the data.
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RF Receiver
315/434 MHz ASK RECEIVER
In this RF receiver is connected as shown in the schematic. The DATA pin is connected to the decoder HT648L which decodes the received signal and gives to the microcontroller.
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Power Supply
The power supplies are designed to convert high voltage AC mains electricity to a suitable low voltage supply for electronics circuits and other devices. A RPS (Regulated Power Supply) is the Power Supply with Rectification, Filtering and Regulation being done on the AC mains to get a Regulated power supply for Microcontroller and for the other devices being interfaced to it.
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H-BRIDGE:
H-bridge is to construct with transistors and Motor. It is used to control the vehicle.
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Buzzer
Buzzer is for alarming purpose ,when ever the system will find any accident occurrence the buzzer will buzz.
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APPLICATIONSCar security systemWireless security systemAutomation systemRemote keyless entry
AdvantagesTo control the accidents
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CONCLUSIONThe “REMOTE ACCIDENT REPORT SYSTEM FOR HIGHWAYS USING
RF” has been successfully studied, Integrating features of all the hardware
components used have developed it. Presence of every module has been
reasoned out and placed carefully thus contributing to the best working of the
unit.
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