Roaming BOT Help
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So I am considering turning my BOT I have been working on for some time now in to a "Roaming Guard" type BOT. I would like to come up with some sort of sensor to keep the BOT from traveling more than 5-10 feet outward of the building. Any ideas on how to do this without breaking the bank and too much tinkering? I was thinking of maybe some type of magnetic field type sensor, whereas I could place a metal strip along the bottom of a building and then have the BOT follow that from a distance. Make sense????
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