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Recent content by atbaum

  1. atbaum

    Electromagnetic Distance measurements

    Sorry forgot to mention the accuracy. A 20cm accuracy will be sufficient
  2. atbaum

    Electromagnetic Distance measurements

    Thanks for the tips yes this is for indoor use so a range of about 10m is sufficient I and as VE1BLL stated I am trying to use a low frequency in the kHz range. I think I have the basics of the transmitter where I can use On-Off keying to transmit data but I am unsure of how to implement the...
  3. atbaum

    Electromagnetic Distance measurements

    I am currently designing an electromagnetic tether robot. The robot needs to stay a constant distance from an electromagnetic beacon. I am having difficulty coming up with a way to determine distance using magnetic field. I assume you run an alternating current through a solenoid to generate an...
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