Electronics 2024, November

The best radar detectors: reviews. The best DVRs with anti-radar

The best radar detectors: reviews. The best DVRs with anti-radar

Let's try to figure out how to choose a good radar detector and what to look for first. We note the most distinguished models, taking into account the opinions of experts and reviews of ordinary owners

D-class amplifier - what is its popularity?

D-class amplifier - what is its popularity?

A D-class audio amplifier is a device designed to reproduce a signal applied to the input of the device using input circuit elements, with a given volume and power level, with a minimum value of energy dissipation and distortion. The use of such amplifiers began in 1958, but recently their popularity has increased markedly. Why is a D-class amplifier so good? In this article we will try to answer this question

UPS with external batteries: selection, specifications. Uninterrupted power supply unit

UPS with external batteries: selection, specifications. Uninterrupted power supply unit

UPS with external batteries is hard to find on the market. However, these devices have many advantages. In order to get acquainted with them, it is necessary to consider specific models

APC uninterruptible power supplies. Specifications and reviews

APC uninterruptible power supplies. Specifications and reviews

Review of uninterruptible power supplies from APC. Characteristics of some models and user reviews

How to choose a digital oscilloscope. Digital Oscilloscope Benefits

How to choose a digital oscilloscope. Digital Oscilloscope Benefits

It's hard to get by on lab projects without an oscilloscope. This device is able to show with great accuracy the slightest deviations in the signal. Modern digital models allow you to track information in any area and further analyze it

Technological singularity is the code of the apocalypse

Technological singularity is the code of the apocalypse

The futuristic term "technological singularity" is increasingly entering our lives. According to the most pessimistic forecasts of scientists and various experts, no later than 2030, this concept will become part of our reality. So what does this mysterious phrase mean?

Review of popular Toshiba air conditioners

Review of popular Toshiba air conditioners

Toshiba offers customers a wide range of air conditioners that are suitable for various premises: administrative, commercial, residential and so on. It is hardly possible to find a person who has not heard about this company offering high-quality devices. They are produced on the basis of modern technologies. Often it is the Japanese who are the first to introduce new functions into their equipment

Frequency converters ABB: purpose, benefits, error codes

Frequency converters ABB: purpose, benefits, error codes

In the article we will talk about ABB frequency converters, which are used to control electric motors. With the help of such devices, you can smoothly change the moment and speed, and most importantly, completely get rid of such a harmful phenomenon as inrush current

DIY triac power controller

DIY triac power controller

In the article we will talk about how to make a triac power controller with your own hands. What is a simistor? This is a device built on a semiconductor crystal. It has as many as 5 p-n junctions, the current can pass both in the forward and in the opposite direction. But these elements are not widely used in modern industrial equipment, since they have a high sensitivity to electromagnetic interference

Connecting the washing machine to the mains: safety rules and work procedures

Connecting the washing machine to the mains: safety rules and work procedures

Compliance with safety rules and work procedures will allow any prudent owner familiar with the basics of electrical engineering to connect the washing machine to the mains with their own hands. If this issue presents a certain difficulty, then it is better to consult a specialist than to endanger your he alth

Distributed generation: design, objects, trends and development, description of objects

Distributed generation: design, objects, trends and development, description of objects

Distributed generation - the concept of energy development, which involves the construction of small energy sources. At the same time, excess energy is sold to the grid. At the moment, this industry is gaining momentum in Russia

Thomas TWIN T1 Aquafilter vacuum cleaner: customer reviews

Thomas TWIN T1 Aquafilter vacuum cleaner: customer reviews

The Thomas TWIN T1 Aquafilter vacuum cleaner will become a reliable assistant in every home. Reviews of most users note that the device perfectly removes dust, is multifunctional, and is ideal for people with allergies. The device can perform both dry cleaning in the house and wet. It is reliable and safe. Mobile. Able to last for many years. Does not require special care, but must be used wisely, strictly according to the instructions. Made in Germany

How to choose a 100W LED spotlight: tips and reviews

How to choose a 100W LED spotlight: tips and reviews

LED spotlights, as highly efficient devices in terms of the quality of the emitted light, have become popular with Russian consumers quite recently. That is why many are still wondering how to choose a 100 W LED spotlight, what types of it are and what to look for when buying

LG OLED55B7V TV: reviews, recommendations, specifications and operating features

LG OLED55B7V TV: reviews, recommendations, specifications and operating features

In 2017, LG continued to release the OLED B6, but with an improved model. The result was line B7. One of the TVs in this line is the LG OLED55B7V. Reviews about him are mostly positive. In the article we will consider in detail the characteristics of this new product, its features. We also bring to your attention the comments of the owners of this TV, in which they report on the advantages and disadvantages of the model

The smallest surveillance camera. Wireless security cameras

The smallest surveillance camera. Wireless security cameras

The article considers modern very compact video equipment. More specifically, video cameras that differ in very modest parameters. But at the same time they carry out shooting of good quality. What are the motivations for using such cameras? And in what cases is it illegal to use them?

How to use a Canon printer: step by step instruction manual

How to use a Canon printer: step by step instruction manual

Canon multifunction printer user manual for beginners. How to connect and configure the device for further printing yourself. Product features for office and home use

Anti-theft sensors: types and purpose. Anti-theft systems

Anti-theft sensors: types and purpose. Anti-theft systems

An anti-theft sensor is a device that is used in many areas of people's life. A variety of designs and designs makes it possible to use them for reliable protection against theft of almost any product. Most often, the anti-theft sensor is used in the sale of elite alcohol and clothing

The image disappears on the TV: possible causes of malfunction, instructions and ways to fix the problem

The image disappears on the TV: possible causes of malfunction, instructions and ways to fix the problem

The main reasons why the image constantly disappears on the TV and the appearance of the picture changes. What parts of the device should you pay special attention to and how to fix the TV yourself at home?

Washing machine Haier HW60-BP12758: reviews, specifications, user manual

Washing machine Haier HW60-BP12758: reviews, specifications, user manual

Atlas, Bosch, Indesit or LG washing machines are quite popular among Russian consumers. However, more and more often, housewives prefer more budget options that are no different from models of well-known brands. One of these samples is the Haier HW60-BP12758 washing machine, reviews of which are mostly positive

Ag13 batteries: description and specifications

Ag13 batteries: description and specifications

The modern world is impossible to imagine without electronics, various gadgets and devices. They are powered by special cells or batteries when they fail and need to be replaced. When buying batteries, the question of its labeling and the possibility of using analogues arises. Tablet-shaped batteries, such as, say, an ag13 battery, are especially difficult to find. It is worth considering on her example the batteries

"Smart" watches from Apple. What capabilities do they have?

"Smart" watches from Apple. What capabilities do they have?

All over the world, products manufactured under the Apple brand are very popular. And this is not at all surprising. The company constantly relies on high quality. At the same time, the company is one of the leaders in the field of electronics in the development of the latest technologies. Despite the huge success, Apple does not stop there

Sony A7S: review, reviews, photos, specifications

Sony A7S: review, reviews, photos, specifications

The Sony A7S camera, reviewed in this article, debuted on the domestic market in 2014. The model has become a logical continuation of the line of full-frame devices from this manufacturer, which made a real revolution in its segment a year earlier, becoming the most compact cameras in it

System camera: review of the best models, specifications, description, features, reviews

System camera: review of the best models, specifications, description, features, reviews

The trend towards optimizing photographic equipment gives many advantages for users, but along with them, the disadvantages of such models inevitably appear. These include limited functionality and very average shooting performance. The reverse approach is demonstrated by the example of system cameras, which combine the advantages of compacts and SLRs. But in the process of operation, much will also depend on the specific model

Sony Alpha A5000 camera: reviews, sample photos. Sony Alpha A5000 Kit Reviews

Sony Alpha A5000 camera: reviews, sample photos. Sony Alpha A5000 Kit Reviews

In this article, the reader will get acquainted with a very interesting product - the Sony Alpha A5000 camera. It is positioned in the niche of high-quality digital devices without mirrors and is designed for creativity. A review, owner reviews and recommendations from photographers will allow you to get more information about the new product

HP office equipment: quality laser color printer

HP office equipment: quality laser color printer

This article describes HP color laser printers. The material introduces the models of devices, their functions and characteristics

We study the review. Dishwasher: pros and cons

We study the review. Dishwasher: pros and cons

Food processors, multicookers and air grills have already taken root in the kitchen, but many are in no hurry to buy a dishwasher. They believe that its presence is just a whim, and do not see an urgent need for it. But is it really so? Those who are still thinking should take a closer look at the feedback left by others about her

Home active subwoofer: connection and setup

Home active subwoofer: connection and setup

The article is devoted to an active home subwoofer. Considered ways to connect it, settings, etc

DIY tube transceiver

DIY tube transceiver

To transmit a signal of various lengths, transceivers are used, which in terms of parameters are quite different from each other. To make the device yourself, you need to very accurately calculate the maximum load on the system. In this case, the antenna and power supply are selected separately

Casio CDP 120 Specifications Overview

Casio CDP 120 Specifications Overview

When designing digital pianos, engineers aimed to replicate the exact mechanics of an acoustic instrument. That is why such equipment is quite expensive, but with the advent of the budget line from Casio, musicians got the opportunity to purchase an excellent replacement for an acoustic instrument

What can be measured with a spectrum analyzer

What can be measured with a spectrum analyzer

What is a spectrum analyzer? You will never come across this product in everyday life, it is a rather specific device, and quite expensive. In this article, we will consider the general purpose and application of such devices

Firmware tuner for satellite dish: instructions and tips

Firmware tuner for satellite dish: instructions and tips

An inexpensive alternative to cable TV with no monthly subscriptions and thousands of TV and radio channels is satellite TV. It is enough to purchase a tuner, a parabolic antenna, tune it to the desired satellite, and you can enjoy high-quality image and sound without radio interference

DEXP TVs: customer reviews

DEXP TVs: customer reviews

The review below will describe the range of universal multimedia devices such as DEXP TVs. Feedback from their owners, technical specifications and the cost of such solutions will be further considered step by step. Brief information about this company will also be given

Mobile compressor for home use and some industries

Mobile compressor for home use and some industries

The article highlights the benefits that a conventional portable compressor can provide when combined with an air tool

Is it worth buying an expensive soldering iron for polypropylene pipes

Is it worth buying an expensive soldering iron for polypropylene pipes

The article describes a soldering iron for polypropylene pipes, its purpose, design and methods of use. Some models are also described and practical advice is given

Classification and device of the transformer

Classification and device of the transformer

A transformer is called an electromagnetic machine designed to increase or decrease the voltage in the network

Slow cooker with ceramic bowl for your kitchen

Slow cooker with ceramic bowl for your kitchen

The multi-cooker with ceramic bowl has become an indispensable tool for cooking. It can replace almost any cooking device in the kitchen, while cooking in it is a pleasure

PID controller is the most accurate

PID controller is the most accurate

Unlike other types of automation, the PID controller provides effective stabilization of the output parameter without static error and eliminates parasitic generation

How to choose a heated towel rail and save on its operation

How to choose a heated towel rail and save on its operation

In some apartments, heated towel rails from our childhood still work. But time does not stand still, new devices for drying towels are already being sold. Today is about how to choose a heated towel rail and save on its use

Permanent magnet motor and its application

Permanent magnet motor and its application

Permanent magnet motor is an attempt to reduce the weight and overall dimensions of the electric machine, simplify its design, improve reliability and ease of operation. Such an engine allows you to significantly increase the efficiency (efficiency). He received the greatest distribution as a synchronous machine. In this device, permanent magnets are designed and used to create a rotating magnetic field

Convection is a help in the kitchen

Convection is a help in the kitchen

Today we hear more and more about convection. This is not surprising, because stores sell ovens and microwaves with this feature. Convection kitchen helpers cook better and faster