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CONTENTS:
1. Abstract.
2. Objective.
3. Block diagram.
4. Methodology.
5. Advantages and Disadvantages.
6. Applications.
7. Conclusion
1.ABSTRACT:
One of the major goals for blind and visually impaired people is
independent mobility. Mobility aids like walking stick and guide dogs are
commonly used by the blind even today. With the advances of modern
technologies many different types of devices are available to support the mobility
of blind. These mobility aids are generally known as electronic travel aid.
It involves a switches to detect the location of the user when he walks
and a ARM controller with synthetic speech output
2.OBJECTIVE:
The goal of Blind Aid project is to develop navigational assistance
technology for the blind or visually impaired. Specifically, we seek to develop a
portable Electronic Travel Aid (ETA) for visually impaired users. Skills of
independent mobility are neither obscure nor terribly complicated.
3.BLOCK DIAGRAM:
TRANSMITTER:
RECIEVER:
4.METHODOLOGY:
This project is developed for the blinds to find out the location of the place
where they are. The main modules in this project are Zigbee, ARM controller unit and
Voice signal as a output.
The transmitter will be there with a blind and the receiver will be there at the
location. The transmitter module has Switches, ARM controller and Zigbee as a
communication media. The receiver has Zigbee, ARM controller and voice operated
device. If a Blind Presses a Switch to know the location, that information will be given to
ARM controller, then the ARM controller analyses the signal and sends information to
receiver which is present in the location via Zigbee. At the receiver the Zigbee receives a
signal which was transmitted from transmitter and sends that to the ARM controller. After
receiving the signal the ARM controller will activate the proper voice chip to provide a
corresponding voice signal.
5. ADVANTAGES AND DISADVANTAGES:
ADVANTAGES:
Secure and reliable communication.
Leading edge technology that meets today's and tomorrow's needs.
This not only detects the obstacles but can also guide the user around them.
This combination of obstacle detection and avoidance reduces the conscious
effort required from the user.
Continuous scanning of the environment relieves the user from additional
actions, therefore reducing the required physical and mental effort.
This can provide the user with a panoramic view of the environment, covering
a sector of 120 degrees.
DISADVANTAGES:
One time investment cost.
It has to be planted throughout the city.
6. APPLICATIONS:
This project can be implemented to increase the independent mobility of blind
and elderly travelers
Restricted zones.
Wherever mobility is important there we can implement this project.
7. CONCLUSION:
As this project is based on micro-controller(ARM7LPC2148) and
Zigbee technology is used to transmit data this can be of great use for the blind
or visually impaired. and helps the blind people to detect the location of the place
when they are walking by ARM controller with synthetic speech output.
THANK YOU
ANY QUESTIONS?

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Travel Assistant For Blind With Dynamic User Input For Location Based Alerts Using ARM7 And XBee (PPT)

  • 1.
  • 2. CONTENTS: 1. Abstract. 2. Objective. 3. Block diagram. 4. Methodology. 5. Advantages and Disadvantages. 6. Applications. 7. Conclusion
  • 3. 1.ABSTRACT: One of the major goals for blind and visually impaired people is independent mobility. Mobility aids like walking stick and guide dogs are commonly used by the blind even today. With the advances of modern technologies many different types of devices are available to support the mobility of blind. These mobility aids are generally known as electronic travel aid. It involves a switches to detect the location of the user when he walks and a ARM controller with synthetic speech output
  • 4. 2.OBJECTIVE: The goal of Blind Aid project is to develop navigational assistance technology for the blind or visually impaired. Specifically, we seek to develop a portable Electronic Travel Aid (ETA) for visually impaired users. Skills of independent mobility are neither obscure nor terribly complicated.
  • 7. 4.METHODOLOGY: This project is developed for the blinds to find out the location of the place where they are. The main modules in this project are Zigbee, ARM controller unit and Voice signal as a output. The transmitter will be there with a blind and the receiver will be there at the location. The transmitter module has Switches, ARM controller and Zigbee as a communication media. The receiver has Zigbee, ARM controller and voice operated device. If a Blind Presses a Switch to know the location, that information will be given to ARM controller, then the ARM controller analyses the signal and sends information to receiver which is present in the location via Zigbee. At the receiver the Zigbee receives a signal which was transmitted from transmitter and sends that to the ARM controller. After receiving the signal the ARM controller will activate the proper voice chip to provide a corresponding voice signal.
  • 8. 5. ADVANTAGES AND DISADVANTAGES: ADVANTAGES: Secure and reliable communication. Leading edge technology that meets today's and tomorrow's needs. This not only detects the obstacles but can also guide the user around them. This combination of obstacle detection and avoidance reduces the conscious effort required from the user. Continuous scanning of the environment relieves the user from additional actions, therefore reducing the required physical and mental effort. This can provide the user with a panoramic view of the environment, covering a sector of 120 degrees.
  • 9. DISADVANTAGES: One time investment cost. It has to be planted throughout the city.
  • 10. 6. APPLICATIONS: This project can be implemented to increase the independent mobility of blind and elderly travelers Restricted zones. Wherever mobility is important there we can implement this project.
  • 11. 7. CONCLUSION: As this project is based on micro-controller(ARM7LPC2148) and Zigbee technology is used to transmit data this can be of great use for the blind or visually impaired. and helps the blind people to detect the location of the place when they are walking by ARM controller with synthetic speech output.