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Harsha Alva
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Mechanical Engineer + Software Developer
 · MangaluruIndia
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IDEA

Narendran Ashok More ideas.

  • Since the power that can be generated is pretty low, please consider using GSM cellular communication. Using GSM has a plus point too. We don’t need separate tracking and communication modules. We could communicate with and control the system using SMS or GPRS/EDGE and track using cell triangulation.
  • We can make a parallel project from this one. A cell phone charging shoe using the exact power generating principle. Using an Arduino, we can also add a step/fitness tracker to it. The proceeds of this project can be used to subsidize the original child tracking shoe project.
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Narendran Ashok
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 · ChennaiIndia
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without a GPS can triangulation be able to find the exact location of the shoes… we will have issues with the network company rite?? Only network company of the shoes will have rights to track.

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Harsha Alva
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Actually, there are pros and cons with both tracking methods. GPS needs direct line of sight but cellular can work indoors too. If we use GPS and child is kidnapped and kept indoors, we can’t track the child. Plus there needs to be an additional method of communication.

If we use cellular for communication, all we need is an active mobile number (SIM). The system should be designed such that, when a coded SMS is sent to it, it should reply back to the server with the Cell Broadcast or cell tower number. This will give us an approximate location. Triangulation can be done by the police, who should be definitely involved in when a child is lost.

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Narendran Ashok
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Brother you know about Indian police rite :P :P

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Harsha Alva
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Man, when it comes to children, we can expect some sympathy and help from them, however bad or corrupt they may be. Tracking is only half of the picture as getting the child back from dangerous persons is important too :P

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