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Wireless Voice Guide

Wireless Voice Guide. Done By: Supervisors Asma Afeefy Dr.Raed Al-qadi Lama Yassin Ms.Haya Samaneh. Objectives:.

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Wireless Voice Guide

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  1. Wireless Voice Guide Done By: Supervisors Asma Afeefy Dr.Raed Al-qadi Lama Yassin Ms.Haya Samaneh

  2. Objectives: It was designed to help Blinds and Tourists in tourist places and governmental buildings by describing their places and guiding them to reach their target locations.

  3. What are the components that it contains ? • What are the problems that faces us ? • Is the project practical ? Is it possible to apply it in real life ?

  4. Components : • Headphone. • Ultrasonic. • Wireless. • Mp3.

  5. Wireless: • We used MRF24J40M ,2.4 GHz IEEE Std. 802.15.4™ (RF Transceiver Module). • MIWI Protocol. • Range 10m.

  6. Wireless Circuit :

  7. Ultrasonic : • Tow circuits : • 1- Transmitter circuit :generating 25 KHz , square wave, carried by the user. • 2- Receiver circuit : using amplifier LTV2774 to amplify the signal ,bandwidth 5.5MHz. • Connected to wireless transmitter.

  8. Ultrasonic Circuit :

  9. MP3:

  10. Problems : • Sensitivity of MP3 • Consistency of Component. • Amplification of received ultrasonic signal.

  11. Is it Possible to apply WVG in real life?

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