Homemade Metal Detector

 Violation of the battery operating mode (due to improper operation of the vehicle relay regulator, or long-term storage) almost always lead...

 the idea of switching lamps using a regular variable resistor as a control is very good, but the above designs are based on poly comparator...

 The regulator is designed to control the brightness of a portable luminaire powered by a car on-board network made from a car headlight. Th...

 A metal detector detects a water pipe under a wall layer up to 150 mm thick, a sewer pipe - up to 250-300 mm, a modern five-ruble coin at a...

 The metal detector, the diagram of which is shown in the figure, is made on one chip. It consists of two identical LC generators and a dete...

 Metal detector on Arduino The best time for a metal search is the earliest spring, when the snow has already melted, the soil has thawed, b...

 Here is an extremely simple, but deserving of the right to exist metal detector, for the manufacture of which only one cheap integrated cir...