I'm working on a project for a friend. She wants to be able to train dogs off leash and she has to be able to know where the dog is. My idea is a belt with eight tactile feedback units spaced equally around a belt and A radio transmitter for the dog to wear. Some sort of direction finding antanna. Maybe each of the eight units could be receivers and a micro processor could determine which one is receiving the stronger signal. Any ideas at all? How could I go about developing something like this. What are good sources for parts, etc. David
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