it was time to build the rest of the metal detector. Look ma, no MCU! The sensor coil was made by salvaging the wire from an old fluorescent lamp ballast and winding it around the lid of a bucket ...

Metal detecting is a fun pastime ... A Very Low-Frequency (VLF) detector uses two coils, one to emit and one to receive. They are overlapped just enough so that the reception coil can’t see ...

Before you begin searching for buried treasure with a metal detector, you need to learn the laws governing such finds and ...

An advanced metal detector coil encompasses the diameter of the sensor head. Passing current through the MD coil creates an electromagnetic field that induces an electrical current in any metal ...

While shopping for a metal detector, you need to take into account a number of key factors, particularly the type, coil size, weight, and extra features like backlight and frequency customization.

after someone reported to authorities that they had found skeletal remains while using a metal detector in a wooded area. GoFundMe Authorities arrived at the scene, searched the wooded area for ...

Laznicka explains that a metal detector operates by emitting electromagnetic fields through a search coil, which interacts with the ground to locate metallic objects. When the coil encounters ...

The beeping of a metal detector is music to the ears of Lee Houser ... But the magic behind the machine? “There’s a coil at the bottom of it and it sends out an electromagnetic signal into ...