deadlock
Newbie level 6

Hi guys!
I'm looking for any schematic, pcb etc about metal detector. Only thing I need is a WORKING CIRCUIT.
I anybody know where to find it, please tell to me.
I´m looking metal detector schematics, pcb's theory, or any related thing, specially any circuit easy to make it.
I'm looking for any schematic, pcb etc about metal detector. Only thing I need is a WORKING CIRCUIT.
I anybody know where to find it, please tell to me.
I´m looking metal detector schematics, pcb's theory, or any related thing, specially any circuit easy to make it.