As nowadays everyone has a smartphone with a decent Bluetooth support, such a design became possible.
So just turn on your phone and set out for adventures!
Just turn on your phone and set out for adventures! Hobby that inspires.
Metal detector (ground search) allows you to find various valuable metal items, such as: coins, jewelry, gold,
electronics, wall wirings, etc.
It can be useful in different areas: treasure hunting, archaeology, security.
Detector is able to differentiate the metal type, so you can discriminate not useful items.
Air Metal Detectors at the World Electronics Show in Las Vegas Nevada USA CES2018