I know BFO is the most dated and least capable metal detecting technology but i'm wondering if, should I build a simple one, it would be an effective for use as a pinpointer given that the range of a pinpointer is less of an issue than in a full sized detector. I ask because i've found a pretty cheep to build and simple one online that even has a PCB layout
http://www.easytreasure.co.uk/bfo.htm
Also if this is a not so good design can anyone recommend me a simple PI or VLF pinpointer that has a PCB layout?
http://www.easytreasure.co.uk/bfo.htm
Also if this is a not so good design can anyone recommend me a simple PI or VLF pinpointer that has a PCB layout?
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