Electronics 2024, November

What is an audio frequency amplifier. What is this technique used for? What are the classes and types of equipment. The most suitable versions of audio frequency amplifiers for home and studio use. The main pros and cons of each class of equipment

In the light of constant increases in the cost of utilities, more and more people are inclined in favor of the autonomization of private houses, apartments and farmsteads. Everyone solves this issue in their own way. Of course, a well drilled in the yard helps save money on water supply, but the liquid still needs to be heated, and this requires expensive energy. That is why in today's article the problem of generating alternative electricity will be raised

Today it is rare to meet a person whose apartment is not equipped with water meters. There is no need to talk about electric meters, energy is not supplied without such a device at all. Also, many install such devices for gas, heating. Such an action is not yet mandatory, but the need to save dictates its own rules

From our article you will find out which LCD TVs can be found on sale, what to look for when choosing a technique of this kind and how not to miscalculate with a purchase. We take into account the advice of experts in this field and consumer reviews. So let's get started

Motion blur appears on the screen as a trail on moving objects and has a lack of manifestation during sports broadcasts or video games. If you plan to frequently use these channels on TV, then it is important to purchase a TV with minimal blur

The router model TL-WR841N is designed to create entry-level computer networks. Owner reviews at the same time indicate that such a device is simply perfect for such purposes. At the same time, it has a low cost and sufficient technical specifications. It is the possibilities of this modification of such an access point to the Internet that this material will be devoted to

Not all TVs are able to please us with a clear picture. Even if you have a plasma or LCD device, you may need a receiver for your TV, without which you simply cannot receive a digital signal. But how do you choose the right device?

Arduino controllers are highly conductive. To assemble the model yourself, you need to understand the device. Additionally, it is important to familiarize yourself with the main modifications of the Arduino

The focus of this article is the SJ4000 SJCAM WiFi extreme recreation camera. Characteristics, review and reviews of the owners will introduce the reader closer to the wonderful product created by Chinese craftsmen

Many do not fully understand what the RCD is intended for. It makes sense to understand how it differs from a conventional circuit breaker (AB). Mainly, the residual current device works for human safety in the event of a breakdown of insulation on the housing of a household appliance

Many people know that simple finger-type batteries cannot be recharged. This is indicated even by a special inscription on some of them. However, this statement is not entirely true. In fact, there are several ways to extend the life of an AA battery

Motion sensor is an electronic device capable of closing a circuit when an object appears in its range. After the reason for switching on has disappeared, the time relay included in its circuit is switched on. As a result, after the set period has elapsed, the circuit opens again. Such automatic switching devices are used not only to save energy by controlling the lighting of entrances, stairwells or long corridors

The leading positions in the modern market of electronics and household appliances are occupied by IPS-matrix TVs. Popularity is due to a number of advantages of technology. What IPS TVs are in the ratings of the best and what to look for when choosing them - we will tell in the article

Humidifiers help eliminate coughs and prevent colds. It is especially important to use them in the winter, when the heaters are working. The Polaris PUH 2204 humidifier is very interesting. Reviews about it are mostly positive. Consider all the main features of the product, its advantages and disadvantages

Why is the question of how to connect T2 so worried about thousands of our fellow citizens? Because in 2019 there will be a complete shutdown of analog broadcasting. An exception is made only for regional television channels, and then only for one year. After this period, all local TV companies will have to switch to digital

NiMH is an abbreviation for Nickel Metal Hydride. These batteries are considered one of the most common. The portable solution and high power consumption have given them design advantages for mass consumer electronics applications

The phrase "Big brother is watching you" is more relevant today than ever: of course, we have not yet reached total surveillance, but the interaction of engineering systems can be seen with your own eyes. A huge number of sensors connected to the controllers ensures the safety of property, personal safety, comfort in a smart office, home, car or public building. The Smart Home system is one of the unique combinations of such sensors

Digital television receiver - this concept has firmly entered the life of Russians in recent years. This is the name of the device for watching television in a modern format. The features of these devices, as well as their connection to TV receivers, will be discussed in this article

Chinese robot vacuum cleaners are gradually conquering the market. Despite the fact that the American company iRobot is the recognized world leader in the production of autonomous vacuum cleaners, Chinese manufacturers are increasing their own potential. We offer a brief overview of the best Chinese robot vacuum cleaners. The characteristics and quality of the work of these products will be considered. The 2018-2019 rating is based on the popularity of models and user reviews

The power of the battery itself is very important - it determines the number of devices that will work from such equipment. However, much depends on how many sunny days a year in a particular region. All the energy received during the day by the elements for the solar battery (panels) accumulates in the battery and is consumed during the dark time of the day

LED lamps have recently been introduced into use and gained their popularity. They attract buyers with their strikingly small volume if bought in tape format, ease of placement (the consumer can place them wherever they want) and relatively inexpensive cost. In this article, we will look specifically at LED lamps with a battery, consider reviews and summarize accordingly

Whirlpool washing machines with a vertical loading type are quite in demand among consumers. The reason for the high demand, judging by user reviews, is the high quality of the European assembly, modern design and innovative technologies. But, like any equipment, washing machines from this manufacturer can fail. The causes of failure can be different: improper operation, wear of components, marriage, etc

In the article, read about the best, according to reviews, Sony TVs that can be found in our stores. The remarkable qualities of the models, key characteristics are considered, as well as the advantages and disadvantages of each device. Start with budget TVs and end with premium ones

After owning a large flat-panel TV, people literally start blowing dust off it, because they are afraid of damaging the screen. This is due not only to the deterioration of the picture quality, but also to the high financial costs of repairs. But not everything is so sad. Large cracks cannot be removed on their own, but it is quite possible to mask minor scratches

2DIN car radios have a number of specific advantages over 1-DIN models. But they also have some disadvantages

Chinese radio 2 DIN: description, features, operation. Chinese radio 2 DIN: reviews, specifications, connection, photo

The article is devoted to solar panels for charging phones. The device of such devices, the main characteristics and user reviews are considered

The article is devoted to street acoustics. The types, characteristics and specific examples of models of this type are considered

Let's try to identify the most distinguished models by presenting to your attention a small review of speaker systems from famous brands

The article will focus on Polaroid cameras models 635 and 636. They have a single-stage processor, which was produced by the company of the same name in the Soviet Union. Production was established at a Moscow enterprise, better known as Svetozor. Released from 1989 to 1999

How well does the Hotpoint-Ariston RSM 601 W washing machine work? What do those who have already purchased this unit say about it?

The electric kettle has long been an indispensable assistant on the kun for any housewife. And the main advantages of such a device are its versatility and mobility. After all, the kettle can be used not only at home, but also in the office. With an electric kettle, you can easily organize a tea party or prepare a quick breakfast / lunch

In the modern household appliances market, you can see many models of built-in hobs made by different manufacturers. They, of course, have numerous differences both in external design and in technical characteristics. But among many brands, the German brand Bosch is the most popular among consumers

The modern kitchen can no longer do without a variety of special appliances. Including the current housewives are already accustomed to such a popular technique as a bread machine. One of the most common brands of such equipment is Philips. The bread makers of this company have gained great popularity due to their functionality and ease of use. The Philips bread maker is a convenient device that will allow you to bake fresh bread without leaving your home. What are the advantages and disadvantages of such models

The Brand 502 multicooker is one of the popular models that a large number of buyers choose, as evidenced by their reviews. What are the features of this device and how should it be used correctly? We will discuss this in detail below

Good household appliances are never superfluous, the stumbling block is most often its size. Many of us thought about this when, buying the next thing, we lost in our minds where and how to place it. And this applies not only to TVs, electric fireplaces or refrigerators - even such a seemingly compact thing as a microwave oven can be a big problem for a small kitchen in one-room apartments

How does an ultrasound machine work? Why is ultrasound so widespread in almost all areas? This, as well as prices, reviews on the Internet, contraindications to the use of ultrasound, is described in detail in this article

In the age of economy and accelerating progress, electricity is also undergoing some changes. Halogen lamps began to be used initially on large areas. These were sports stadiums, concert halls, theater stages

Fuelless engines: is their creation realistic? Varieties of fuelless engines and their creators. Building a fuelless engine at home

For owners of apartments who are in the houses of megacities, the problem of polluted air is very acute. It often becomes the cause of many diseases. If there is not enough humid air in the house, then this cannot be called useful, but you can still correct the situation by considering air humidifiers, the rating of which will be presented in the article