In the era of computers, old things from the USSR, on which you can make good money, are becoming increasingly valuable. An article on radio equipment, key features of this business.

Restoring old radio equipment can be a very useful hobby. Especially now, in the age of cell phones and iPads. Today, among the true connoisseurs of antiques, it is becoming fashionable to assemble tube receivers and turntables. Workable equipment from the time of the USSR is readily bought by foreign collectors.

If you are familiar with electronics, or as a child visited a radio club, then understanding the circuit diagrams of devices will not be difficult for you. In addition, lacking knowledge can always be gleaned from books and the Internet. In general, the element base of Soviet-made radio equipment did not differ in variety ...

Views on the arrangement of housing for an iron horse in people are very different. For someone, a garage is a place where you can simply lock the car without fear for its safety. And to someone, the same garage seems almost a sacred place where you can dig deeper with technology, save potatoes in the winter, and drink beer with friends in the evening.

Accordingly, the electrical wiring in the garage must be arranged in accordance with the requirements of the owner. If the garage is unheated, if its owner plans to repair and service the car only at car services, then he probably does not have a viewing ditch. Most likely, the maximum that is required in the garage for such a motorist is one socket and one lamp.

A more advanced car owner will definitely install several lights in the garage, powered by different switches and lighting ...

How much power should a generator be for a home? Power is a significant characteristic, which depends on the number and types of home electrical appliances.

It should be remembered that, for example, refrigerators and air conditioners, as well as other cooling and heating devices, consume a lot of electric energy and need a powerful generator. But a small power unit will be an ideal solution for those who need a power source, say, for external lighting of an object.

What happens if you accidentally “overload” the generator? It must be borne in mind that if the generator has been operating for a long time exceeding the maximum permissible operating mode, engine overheating is possible. In addition, the integrity of the oil supply system may be impaired, which may contribute to a decrease in pressure ...

How often do you use electricity? I agree, the question is somewhat strange for a modern person, and one would expect a completely logical answer - constantly, but nevertheless, having enveloped their homes with wire meters, not everyone thinks about alternative sources of electricity. One of such sources under the name "indigirka" will be discussed.

The company "Thermofor" in cooperation with the St. Petersburg company "Crioterm" decided to combine a thermal electric generator with a long-burning furnace, obtaining a solid fuel heating and cooking stove, and thereby giving people the opportunity to reduce their dependence on standard wiring.

The Indigirka stove is the only solid fuel heating and cooking stove in the world that is capable of generating electricity during operation ...

In the laboratory stands of my college, laboratory autotransformers (LATRs) regularly fail. It so happened that through trial and error I was able to master the technology of their repair. At the moment, I have managed to repair three laboratory autotransformers, and I did this in my room in the dormitory. I would be glad if the LATR rewinding technology described here is useful to someone. Yes, this is my first article, so do not judge strictly :-)

To begin with, a short course of the LATR device. LATR has two windings connected in series. Mains voltage is applied to the primary winding (this must be taken into account when rewinding). The secondary winding is connected to the primary. It is designed for voltages from 0-240 V. Voltage is applied to terminals A and N in the magnetic circuit, a magnetic flux is created which induces current in the windings ...

A conventional switch is not suitable for switching on a load of 2 kW or more. The article talks about how to solve this problem.

What needs to be done to turn on the light bulb? Just flip the switch. Nowhere is easier. Well, what needs to be done to turn on the five-kilowatt boiler? Also click the switch? Alas, if this switch is connected directly to the power circuit, then it will exist for a very short time. His contacts are designed for a maximum of 10 amperes maximum. Even if you consider that the switched load is purely active and the power factor is close to unity, these 10 amperes will amount to only two and a few kilowatts for a single-phase load.

Not really something and you will run into such a reserve for power. And what to do? After all, power receivers with a capacity of more than two kilowatts are not so rare in everyday life ...

There are many different ways to solder radio components from circuit boards with a view to their further use. Of course, preference should be given to professional techniques and devices for the dismantling of radio elements. However, it is unlikely that professionals with serious special equipment need transistors, resistors, and other amateur radio tricks obtained in this way.

So we will talk, of course, about home technology. And more precisely, I would like to share just a couple of simple tricks that will certainly accelerate this desired process. So, we will talk about the procedure for extracting the necessary parts from old boards or boards that are not intended for further restoration. I’ll make a reservation that we are not talking about chip desoldering, they need a thinner approach ...

Perhaps the most time-consuming way to install electrical wiring is to lay it in pipes. But there are times when it is simply impossible in a different way. For example, hidden wiring in wooden houses is best done in pipes, and not in a corrugated pipe, as is customary.

The pipe provides reliable protection against mechanical damage, but under certain conditions it can also protect the cable from aggressive environmental conditions. It all depends on the material of the pipe and the method of joining its individual segments.

So for dry rooms without increased danger it is quite possible to use a steel thin-walled pipe with a cross section of 15-20 mm, connected using sockets or threadless couplings, as a route for electrical wiring. Moreover, if the pipe is open, then it must be painted, and if the pipe goes under concrete pouring, it is better to refrain from painting ...