Simple (But Genious...) MD Schematics Website

[Funfinder]

I put this link here so it doesn't get lost:

http://www.talkingelectronics.com/projects/200TrCcts/MetalDetectors/MetalDetectors-1.html

Of course this not the most professional hitec but its useful to built
pinpointers or metal detectors if parts or other options are missing.
The schematics collection amount also is OK.