idea for a new metal detector

[DFXKEV]

Ok here is a real far fetched idea i was thinking one day while i was out metal detecting about the future of metal detecting and what kind of machines may come out so here it is and if anyone invents it i want a cut :-) Does anyone know thos roomba vacumes for your house what if u could modify one of thos rumbas and put a coil and micro prossesor in them and while your detecting with your hand held the metal detecting Rooba could be sniffing out your next possible coins ?

 

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