We supply power to the circuit. Through a normally closed contact, the current will flow through the coil winding and through the secondary winding of the transformer. The relay will break...
Which of them will show itself better during operation? Probably the one that costs more. And if we compare one price ...
Photo of old appliances from the beginning and middle of the 20th century.
Description of the home-made scheme of the device for the preparation of living and dead water. Photo and video.
The capacity that battery manufacturers write is impressive: 6000mAh, 10000mAh, 20000mAh ... In fact, the real capacity of such batteries does not exceed 3500mAh. And this…
To make an antenna for receiving digital T2 format, you can use the proposed scheme. Surely many readers have already made a similar design and ...
If you really need a night vision device, a simple modification is not necessary to spend a lot of money on a factory one. If you…
All of us, when buying any product, are interested in how real parameters correspond to the declared characteristics. This is especially important when we choose devices…
To be honest, after such information processing, the hand reached for the phone to place an order. After all, the number of devices is limited! Suddenly I can’t!…
If we take a light bulb with a power of 100 W and turn it on without a battery, we will record a current of 0.45A. In consecutive...
It would seem ... heat shrink tubing for insulating cable / wire connections is no longer something unusual. Someone who, but electricians ...
If you have an unused (but working) computer power supply, then you are almost the owner of a great charger for ...
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