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safety guard for blind

Discussion in 'New Ideas regarding projects' started by khangzing, Feb 3, 2013.

  1. khangzing

    khangzing New Member

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    my idea was use a ir transmittter and receiver,when obstacle detected,it give alert through headphone to user,my question is,how can i make the system understand what is the object detected?for example,it is a tree,so the voice send to user should be it is a tree in 3 m something like that,can send me the block diagram,circuit diagram and guide or reference?thanks...
  2. sarashu

    sarashu New Member

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    Dear,
    I was tried the same before last 3 year, but the problem which i found that the IR was not working properly for reflection for long distance. So if u have some method to detect IR reflections from long distance then ur idea can be possible.
  3. banhkemsua7

    banhkemsua7 Banned

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  4. banhkemsua7

    banhkemsua7 Banned

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