Help me designing a "Mine Detector" project!

[digitalheart]

Hi everyone! Can you help me showing the way to design a "Mine Detector" project? I can't find that designs anywhere on the Internet. And I need them to make some sets for villagers of my friends! Please help me ASAP! Just only idea is also OK! Thanks a lot!

Best Regard!

 

[IanP]

Any good metal detector should do this job ..
Here you have a link to Magnum Metal Detector:
**broken link removed**
with detailes of its construction .. good luck ..
Regards,
IanP