Electronics 2024, November

Fundamentals of electronics: types of electronic devices and rules for the technical operation of electrical installations

Fundamentals of electronics: types of electronic devices and rules for the technical operation of electrical installations

Speaking about the basics of electronics, it's hard not to mention electrical engineering, as well as the types of various electronic devices and the rules for working with them

Capacitive touch screens: manufacturing technology, advantages

Capacitive touch screens: manufacturing technology, advantages

For a tablet or smartphone, the touch screen is not only a means of displaying information, but also of controlling the device, which is very important. The first such display was invented back in the seventies of the last century, and began to be actively used on game consoles and smartphones. Conventionally, all sensors are usually divided into capacitive and resistive

How to choose a flat TV? Which brand do you prefer?

How to choose a flat TV? Which brand do you prefer?

For many buyers, many different parameters play a role when choosing a TV. However, not everyone will be able to explain for themselves from the first time what exactly they want to see every evening before their eyes. There is a lot of advice on the Internet on how to choose the right technique. The range is so wide that anyone's eyes will run wide

To ensure business security, it is very important to properly organize outdoor surveillance

To ensure business security, it is very important to properly organize outdoor surveillance

To ensure business security, outdoor surveillance is often used, which makes it possible to identify visitors, record car numbers, and recognize intruders. It is most often organized with the help of video cameras arranged taking into account the terrain, topography and location of the object

The best yogurt makers: rating, popular models, choice

The best yogurt makers: rating, popular models, choice

How to choose the best yogurt makers? The rating of popular models, based on their characteristics and user reviews, will allow you not to make a mistake when planning a purchase

No Frost - what is it? Refrigerator with No Frost system. No frost system

No Frost - what is it? Refrigerator with No Frost system. No frost system

This article discusses various evaporator cooling and defrosting systems. The drip system was compared with the "No Frost" system. The mechanisms of functioning of these systems are described. The strengths and weaknesses of each type of refrigerators are revealed

Signal converters: types, principle of operation and purpose

Signal converters: types, principle of operation and purpose

Signal converters are among the most popular devices in industry and in everyday life. In what varieties can they be presented? For what purposes are they used?

LED module: overview, description, types and reviews

LED module: overview, description, types and reviews

LED technology in just a few years has formed a wide segment of products used in various fields. At the moment, LED devices cover almost all niches of household lighting, and in some areas they have completely replaced traditional lamps

Digital television receiver. TV receiver. Digital television

Digital television receiver. TV receiver. Digital television

The article describes the features of digital television, describes different models of set-top boxes and options for connecting them to a TV

What if there is no sound on the TV via an HDMI cable connected to a computer?

What if there is no sound on the TV via an HDMI cable connected to a computer?

The article provides tips and step-by-step instructions on how to connect a TV to a computer using an HDMI cable, adjust the image and sound

IPS-screen - what is it and what are the advantages of technology

IPS-screen - what is it and what are the advantages of technology

The article describes the displays of mobile electronic devices created using IPS technology. Its characteristics are described and its comparison with TN-TFT is given

Multitouch - what is it? Multitouch - system. Touch multitouch

Multitouch - what is it? Multitouch - system. Touch multitouch

The article explains the features of touch screen device technology - multi-touch. The material introduces the history of its occurrence, application in modern electronics and development prospects

Nikon D3100 - reviews. Nikon D3100 cameras

Nikon D3100 - reviews. Nikon D3100 cameras

The article invites amateur photographers to get acquainted with the very convenient and functional camera Nikon D3100. This model has a number of advantages compared to similar devices from other manufacturers

Focal acoustics: reviews and review of the best models

Focal acoustics: reviews and review of the best models

Focal loudspeakers represent the most respected products in the world. The French manufacturer has created a unique system that reproduces sound at a high level. Production is established in China, and the highest quality and most expensive versions are produced in France

Canon PowerShot SX50 HS Specifications and Pro Reviews

Canon PowerShot SX50 HS Specifications and Pro Reviews

The Canon Powershot SX50 HS had the most powerful optical zoom of any compact camera when it was released in 2012. Reviews of professionals indicate that the device has not lost its popularity and boasts a number of characteristics that make it relevant today. More details about this camera will be discussed in this article

Rating brands of cameras: choosing the best technology

Rating brands of cameras: choosing the best technology

There are two dozen companies all over the world that manufacture photographic equipment and additional devices for it, as well as the necessary material for creating high-quality and unique pictures. At first glance, it is difficult to figure out which manufacturer to give preference to

Pentax 645Z camera: features and reviews

Pentax 645Z camera: features and reviews

Pentax 645Z was able to offer features unique to medium format cameras. Waterproof housing, on-screen view, video capture, not to mention the extremely wide sensitivity range, 27-point phase-detection AF system and high performance. And, of course, it has incredible detail and a very large, bright viewfinder. Maybe it's time to say goodbye to full frame?

Women's sports watch: description, features, review of the best models

Women's sports watch: description, features, review of the best models

Sports require special hours. Women's models are compact in size and beautiful colors. There are quartz and electronic models on the market. Most often, the body is made of plastic. There are also models that are made of silicone

Sony SmartBand Talk SWR30 bracelet: specifications, description, review and reviews

Sony SmartBand Talk SWR30 bracelet: specifications, description, review and reviews

The article is about Sony SmartBand Talk SWR30 fitness bracelet. The characteristics of the gadget, its features and user reviews are considered

Lithium battery: overview, description, types, manufacturers and reviews

Lithium battery: overview, description, types, manufacturers and reviews

Lithium battery is a safe and energy intensive device. Its main advantage is working without charging for a long time. It can function even at the lowest temperatures. Due to its ability to store energy, the lithium battery is superior to other types. That is why every year their production increases. They can be of two shapes: cylindrical and prismatic

Phones "Dekt": review of models and reviews about them

Phones "Dekt": review of models and reviews about them

Despite the fact that now smartphones have gained immense popularity, due to their good appearance and excellent functionality, radio telephones still do not lose their former demand. This article describes all the popular Dect phones, which have recently become frequently purchased

Which in-ear headphones to choose? Market overview and reviews of the best models

Which in-ear headphones to choose? Market overview and reviews of the best models

There are many in-ear headphones on the market. This type of device is in great demand. To choose a good model, you should understand the types of headphones, as well as take into account the parameters of the product

The most expensive headphones in the world

The most expensive headphones in the world

What would you do if you suddenly found a suitcase with 1 million dollars? Today, this is really a decent amount, which can be enough for a penthouse, a dozen good apartments, or several dozen expensive and high-quality cars. In general, 1 million dollars is the annual budget of many cities. In general, what would you buy for such a huge amount? Would you buy headphones for that amount?

How to wash the microwave inside from fat: useful tips

How to wash the microwave inside from fat: useful tips

Progress does not stand still. Every day more and more new inventions spread to the masses and make our life much easier and more comfortable. So, back in 1955, the world's first household microwave oven appeared. This household appliance serves us to this day. Many aspects of cooking and reheating food are simplified with a microwave oven. But, like other kitchen appliances, the microwave also gets dirty and needs to be washed

Wireless charging: past and future

Wireless charging: past and future

Wireless charging has long been supposed to free gadgets from unnecessary wires, but even today it is not a very common solution. The vast majority of mobile devices still cannot do without recharging from the network. So what is the reason for the reluctance of manufacturers to switch to the mass production of such popular devices?

Headphone wire. Plug repair

Headphone wire. Plug repair

If used carelessly, you may encounter a problem when the headphone wire breaks at the junction of the cable with the Mini Jack. It can happen at any time, and no one is immune from it. This is the most common cause of headphone/headset failure. Many in this case do not even think about self-repair, but in vain, because there is nothing complicated about it. The article will tell you how to repair headphones if their plug has come off

Modern accessory - Sony headphones

Modern accessory - Sony headphones

Without exaggeration, Sony headphones can be considered a classic of modern portable audio equipment. The company focuses on impeccable sound quality, but does not forget about fashion trends in the market of related products. Sony always pleases and surprises music lovers with stylish and fashionable devices. This review will consider several popular models of this well-known company

What are VHS tapes? How to digitize old video cassettes

What are VHS tapes? How to digitize old video cassettes

Let's try to figure out what a VHS cassette is, what form factors can be found and how to digitize a recording from an old medium to a new one

Diode lamp - the future of lighting?

Diode lamp - the future of lighting?

LED lamps are the most promising direction in the development of lighting technology and light sources. Diodes replace incandescent and halogen lamps, they begin to compete even with energy-saving ones

Do the benefits of laser tape measure pay off?

Do the benefits of laser tape measure pay off?

A person working in the field of construction and repair, for sure, can tell a lot about the benefits of laser tape measures. In the age of modern technology, new devices are gradually replacing the "grandfather" tools

Reflex sight expands the hunter's capabilities

Reflex sight expands the hunter's capabilities

The subtleties of the art of precision shooting are comprehended by years of practice and training. A reflex sight by itself will not make you a great sniper, but with its help even a beginner can get real pleasure from shooting, and the process of “getting your hands on” will go much faster and more interesting. The advantages that this type of sights gives have made them especially popular among both experienced hunters and beginners

What to do if the battery runs out?

What to do if the battery runs out?

Very often, users of Android smartphones and tablets run out of battery very quickly. The battery charge may not be enough even for a day of operation of the device. In this article, we will look at the main reasons why the battery runs out and how to solve this problem

Telephone socket: types, how to connect?

Telephone socket: types, how to connect?

Optimizing the telephone network at home knows no bounds, home enthusiasts are constantly looking for ways to make their homes more comfortable and accommodate additional phone lines and telephones

What do you need a digital TV set-top box for?

What do you need a digital TV set-top box for?

Digital TV set-top box - a technical tool necessary to watch the air in a modern format. How to choose the right model, connect it, and also make the right settings? The answers to these questions, as well as many other useful information about these devices can be found in the article brought to your attention

Ceiling projector for children: types, description, choice

Ceiling projector for children: types, description, choice

Many parents are familiar with children's fears associated with the dark, especially when it's time to go to bed and turn off the lights. And every evening you have to go to various tricks so that the child falls asleep peacefully. However, this problem can be solved by installing the projector on the ceiling for children. This device provides dim night lighting, allowing you to fall asleep peacefully, and forms projections of all kinds of images on the ceiling

Magnetic starter: device, principle of operation, purpose

Magnetic starter: device, principle of operation, purpose

Magnetic starters and contactors are devices designed for switching power circuits. By the way, about the name and characteristics of starters and contactors: you will not find such significant differences between a magnetic starter device and a contactor. It's just that in the Soviet Union there were starters that held current from 10 A to 400 A, and contactors that held current from 100 A to 4,800 A. After magnetic starters began to be classified as low-power and small-sized contactors

Types and use of motion sensors, do-it-yourself repairs

Types and use of motion sensors, do-it-yourself repairs

Quite often utilities install similar equipment in stairwells. However, the light switch is usually used by residents only when dusk is gathering in the entrance. Nobody thinks about opening the circuit in the morning. As a result, the motion sensor is periodically triggered throughout the day, which leads to its rapid failure. In addition, there is no question of any energy savings here. It is for such cases that the manufacturer offers motion and light sensors

The printer does not print Word documents: reasons and what to do?

The printer does not print Word documents: reasons and what to do?

Very often there are such problems that the printer does not want to print documents, outputs them slowly, or performs some other actions that were not set by the user. Do not immediately lose heart when such a situation arises, because you can solve it on your own, without resorting to the help of a specialist or even buying a new device. This article will cover the main causes and how to solve them

Introductory circuit breaker - features, requirements and reviews

Introductory circuit breaker - features, requirements and reviews

Protection of any electrical network begins even before the meter. The very first on the line is an introductory circuit breaker, which is the main node of the entire system. Even if the other ABs in the switchboard fail, in the event of a short circuit, this device will have time to react before the wiring insulation ignites. The speed of a correctly selected introductory machine is enough even to protect the electricity metering device standing after it in the circuit

How to choose a power supply for an LED strip: rules and recommendations

How to choose a power supply for an LED strip: rules and recommendations

LED strips, relatively recently appeared on the Russian market, instantly gained popularity, which is growing every year. The areas of their application are quite diverse - from lighting in a car to zoning residential premises. However, the light strip itself will not work - it needs additional equipment, which can be purchased at any electrical store or ordered online