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  1. Rafter

    Determine range or position through walls?

    The robot is going to be equipped with a small monochrome camera and relaying the video back to a computer. So its position does not need to be 100% accurate as that information is not critical to its navigation. It will also be equipped with infra-red proximity sensors so it does not bump...
  2. Rafter

    Determine range or position through walls?

    Well, the robot is going to be controlled by RF signals anyway, wouldn't hurt to give the propagation delay idea a shot. But if that doesn't work what about this idea? Mount a digital compass on the robot to get the direction its facing and use an odometer or infra-red (or something) to get...
  3. Rafter

    Determine range or position through walls?

    Hi, I was wondering if you could help me with a problem. I would like to know how far away a robot is from a certain stationary location, specifically my computer. I would like to do this through walls, so that rules out any line-of-sight methods. What would be a relatively cheap (sub-$100)...

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