different types vlf metal detector

[Faouzi77]

There are several schematics for metal detectors here : tgsl,idx,admiral.....
Share your experience...Some notes and tips
Which is better and more stable?
Which is best for different soil types?
Thanks to all

[Hinkri]

There are several schematics for metal detectors here : tgsl,idx,admiral.....
Share your experience...Some notes and tips
Which is better and more stable?
Which is best for different soil types?
Thanks to all

[Rasol]

Hello, can you send me the admiral pcb file?

[Hinkri]

Hello, can you send me the admiral pcb file?