RF UNIT
The RF section consists of an RF transmitter and an RF receiver. The RF transmitter mainly consists of a remote key that contains a code hopping encoder, HCS301 along with 2 buttons and two LEDs. The RF receiver section consists of a Low Power ASK receiver IC. The key encoder will generate the company specific “Company ID”, which will be decoded by the low power ASK receiver IC. The LEDS are used to show the status of the remote key. The two buttons provided are used for ‘entry’ and ‘exit’. When both the buttons are pressed together, the system goes into a ‘panic’ state wherein the system will turn on the siren and immobilize the vehicle in emergency condition after a 10sec delay.
HARDWARE
Click the image to enlarge
POWER SUPPLY SECTION:
The power supply section consists of LM309, which is a 5V regulator fabricated on a single silicon chip. Current limiting is included to limit the peak output current to a safe value.
KEYBOARD SECTION:
Here we are making use of a 4X3 matrix keyboard. The columns are connected to an output port and the rows are connected to an input port. In this unit the keyboard is interfaced to the PIC18F722 IC with PORTB as the input port and PORTG as the output port. Pins RB2-RB5 of Port B and pins RG0-RG2 of Port G are connected to the keyboard. Pull-down resistors of 27k ohms are used.
LCD SECTION:
The LAMPEX 16101 LCD module is interfaced to the PIC18F8722 microcontroller. The data lines are connected to Port E and the control lines are connected to Port D of the PIC microcontroller. Only four of the eight data lines are used. The LCD is used in 4-bit mode with the hardware connected as follows:
- PORTE bits 0-3 are connected to the LCD data bits 4-7 (high nibble)
- PORTD bit 1 is connected to the LCD RS input (register select)
- PORTD bit 2 is connected to the LCD R/W input (Read/Write)
- PORTA bit 3 is connected to the LCD EN bit (enable)
RF SECTION:
RF TransmitterThe RF transmitter (2-button remote) mainly consists of a code hopping encoder, HCS301. S0 (pin1) and S1 (pin2) of HCS301 are connected to the two buttons, which are used as “Enter” and “Exit”. Pin 5(Vdd) is connected to +12V supply and pin8 is grounded. Pin 7 is the transmitter output. The LED is connected to pin 7.
PROJECT CODE:
Click here to download
CONCLUSION:
The outcomes of this project will be anticipated to show that it will alert unaware drivers from preventing a traffic accident, recognizing some unusual situations or gaining more response time whenever the EV (Emergency Vehicle) was approaching. Furthermore, its commercial achievements will especially be used in ITS (intelligent Transport System). It will pre-warn the involving drivers to avoid the emergencies and accidents as soon as he encounters an EV along the roadways.
BIBLIOGRAPHY:
BOOKS:
- PIC18F8722 Microcontroller Data Sheet
- Max 232 Data Sheet
- LAMPEX 16101 LCD Data Sheet
- Let Us C – Yashwant Kanetkar
- Microcontroller Basics – Ayala
- Electronic Communication- Wayne Tomasi
INTERNET:
- www.google.com
- www.microchip.com
- www.epanorama.net
- www.wirelessintegrated.com
- www.wavecom.com
- www.garmin.com
- www.atmel.com
- www.commlinx.com
- www.alldatasheet.com
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codings for the hardware & software part of this project with its circuit diagram with details?
I need more details about this great project.
Thanks a lot!!
hi,
i’m interested in ur this project
Vehicle Monitoring and Security System
so kindly send me he codings of software and hardware with the circuit diagram and details.
thanks alot…
hi,
Can you send me the
codings for the hardware & software part of this project with its circuit diagram with details?
I need more details about this great project.
Thanks a lot!!
hi,
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Vehicle Monitoring and Security System
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i’m interested in ur this project
Vehicle Monitoring and Security System
so kindly send me the codings of software and hardware with the circuit diagram and details.
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i’m interested in ur this project
Vehicle Monitoring and Security System
so kindly send me the codings of software and hardware with the circuit diagram and details.
thanks alot…
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senthil.
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Vehicle Monitoring and Security System
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hi,
i’m interested in ur this project
Vehicle Monitoring and Security System
so kindly send me he codings of software and hardware with the circuit diagram and details.
thanks alot…
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Hiii
its a great project.hi..,
i’m interested in this project
Vehicle Monitoring and Security System
so kindly send me the codings of software and hardware with the circuit diagram and details.
thanks alot
hi,
i read the abstract of this project(Vehicle Monitoring and Security System), and i want to do this project.
i will very happy if u send me more details ie coding and circuit…..
thanks alot……….
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