The objective of the GoldPic 3 project is to detect coins and jewelry in shallow water and on the beach by optimizing the timing and circuitry for detecting small items. Using readily obtainable low ...

Metal detecting is a fun hobby for some, and a serious passion for others, so here's a primer for the newly interested investigators looking to hop in.

Which underwater metal detector is best? Whether you dream of finding lost treasure or are simply looking for a fun new hobby, metal detecting may be the answer. Not only can it be profitable, but ...

If you think of a metal detector, you’re probably thinking of a fairly simple device with a big coil and a piercing whine coming from a tinny speaker. [mircemk] has built a more modern adaptation.