Project name: Traffic Guide using Wireless Radio

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Project nameTraffic Guide using Wireless Radio

• Prepared by
• Diana Qassam
• Razan Ghannam
• Heyam Shamasneh
• Supervised by
• Dr. Allam Mousa

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Outlines

• Introduction.
• FM modulation.
• Practical Traffic Guide using Wireless Radio.
• The Circuit diagram of the project.
• PIC Microcontroller.
• Flow chart.
• Problems.

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Introduction

• The aim of this project is to find a solution for
  traffic jam problem
• traffic jam can be reduced by guiding drivers
  where the traffic jam is found. As a result
  driver could avoid going through the traffic jam
  and use another way if it is applicable.

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• This idea should be applied as collaboration with
  the traffic police.
• The information will be Transmit from access
  points using FM in MHz.
• The guiding process tool will be the car radio
  which will be used as a receiver for the
  information that should guide the drivers.

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The system of traffic guide using wireless radio
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FM modulation

• It is a form of modulation that represents
  information as variations in the frequency of a
  carrier wave.

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FM modulation
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FM modulation

• Improved signal to noise ratio.
• Smaller geographical interference between
  neighboring stations.
• Less radiated power compared with AM.

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Practical Traffic Guide using Wireless Radio
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• FM microphone The MIC is used as a transmitter
  for guiding signal, it will transmit at (90)MHz.

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Practical Traffic Guide using Wireless Radio
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• Mini radio It is tuned on (90) MHz to receive
  the transmitted signal, it is used to give an
  indication to the PIC that there is a transmitted
  signal from FM MIC.

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Practical Traffic Guide using Wireless Radio
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• Car radio On the car radio we will save a free
  channel (channel 1) which has a frequency of (90)
  MHz.

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Relay

• It is a controllable switch works as the car
  radio buttons, it will be controlled by the PIC.

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Feedbacks
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Car-radio feedbacks values
SYSTEM ON/OFF RADIO/CD MODE ON/OFF FEEDBACK VOLTS CD FEEDBACK VOLTS
OFF ---- 0 1.5
ON RARIO 5 1.5
ON CD 5 5
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PIC Microcontroller

• PIC is the name for the microcontroller (MCU)
  family manufactured by Microchip
• consisting of a microprocessor, I/O ports, timers
  and other internal integrated hardware
• easy to program.

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PIC Microcontroller

• Our project uses the
• Microchip product
• (PIC16F877A) microcontroller.
• The 16F877A is the core of the project that
  everything is completely done through it.
• It consists of 40 pins.

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PIC signals and feedbacks
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PIC (Programmable Interface Circuit)

• The PIC is Programmed to do the following if
  there is a guiding signal
• If the radio is OFF, the radio status will be
  changed to be ON.
• If tape, the PIC will change its mode to the
  radio mode.
• If the radio is tuned on any other channel, the
  PIC will change the channel to the police guiding
  channel.

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Problems

• Feedback signal from the radio.
• Digital car radio.

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Conclusions

• The system reduces the traffic jam by guiding the
  drivers to places away from jams.
• The system is cheap and easy to be implemented in
  any car
• The use of the Microchip PIC microcontroller was
  appropriate because it provides a good control
  basis besides the ease of programming and using
  it.

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Thank you