circuit diagram

 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...

  Pulse Metal Detector Here is a simple pulse metal detector based on the A1015, JRC4585 and NE555. Instead of the IRF740, after testing, th...