Electronics 2024, November

Pentax K100D Super features a compact size, ease of use, high ISO sensitivity and image stabilization mechanism. Although the model was equipped with a 6-megapixel sensor when other DSLR cameras were already released with a resolution of 10 megapixels, its relatively low price of $ 519 and an impressive set of features more than compensate for this

This article talks about technically complex products. And also about the process of their exchange or return

In the modern market, acoustic systems are presented in a fairly large assortment. The most important parameter to consider at the time of purchase is the number of "lanes" in the system. According to this criterion, one-, three- and two-way acoustics are distinguished. How they differ from each other and which system is better, we will try to answer in this article

Many drivers want high quality speakers for their car. However, this is not easy to do, since there are many models on the market. To understand this issue, you should consider the types of devices

Nikon Coolpix S2800 is a compact digital camera perfect for beginners. There is all the necessary functionality to get good pictures

Canon EOS 1D Mark II is an excellent digital professional camera that was announced in February 2004 and became one of the best cameras in the world. And 12 years later, his worthy descendant appeared - Canon EOS 1D X Mark II

A varifocal lens is a lens with a manually adjustable focal length. It consists of a single optical system, the components of which are mechanically moved relative to each other, resulting in a smooth change (adjustment) of the focal length and, accordingly, the image scale in the range of focal lengths

For those who clearly understand that they are getting a compact with 8x zoom and basic features, the Sony DSC W830 delivers everything it promises and this certainly makes it worthy of a recommendation

The hero of today's review is the Xiaomi Yi Action Camera. Let's try to identify all the advantages of the model along with the disadvantages, taking into account the opinions of experts and reviews of ordinary gadget owners

The world of modern photographic equipment is huge. Its brightest representatives are Canon lenses, which delight buyers with their quality and price. Every owner of a SLR camera will someday want to buy a new lens. This is not an easy task. The information provided in the article can help a amateur photographer choose a Canon lens

Many devices like phones, computers, have a microphone to communicate with other people and for other purposes. If the microphone is not included in the device package, or the user is not satisfied with the quality of the built-in microphone, then, as a rule, he purchases a stationary microphone separately. But as a rule, any device tends to break down, then you have to look for a way out, so many will be curious to know how to make a microphone out of headphones

USB-endoscopes: what is it, features of devices, scope. How to choose an endoscope? Overview of popular endoscope models

The article talks about the types of radios. About how all-wave radios differ from digital ones, and which one is better to buy

For those who like to sleep in the morning, and for whom the whole tragedy is the need to get up early, an excellent device that appeared on the market not so long ago will come in handy. This is a smart alarm clock that makes waking up in the morning easy and comfortable. It is this interesting invention of mankind that will be discussed in the article

The wireless headset has become a part of our everyday life, and the wired connection, which is inconvenient to use, is being used less and less every day. Therefore, more and more often the question arises of how to connect bluetooth headphones, which are much more convenient to use than their wired counterparts. In this article we will try to answer this question and consider connecting to a phone, computer and laptop

Let's look at the main range of issues that can be attributed to the principle of operation of analog-to-digital converters (ADCs) of various types. Sequential counting, bitwise balancing - what is hidden behind these words? What is the principle of operation of the ADC microcontroller? These, and a number of other questions, we will consider in the framework of the article

Old reel-to-reel tape recorders are just a pile of scrap metal for most today. However, for our parents and grandparents, they were once the only way to listen to music in the pre-digital era. Moreover, in Soviet times, it was not easy to acquire one of these devices. For each of its lucky owners, such a device was a symbol of the holiday. Consider the most famous models of reel-to-reel tape recorders of the USSR

Any turntable consists of two main components: a rotating stand and a pickup. Both elements have been modified and improved over the history of recording

Unfortunately, write protection on flash drives still causes a lot of problems. Changes are not accepted, functions are not available, USB is damaged. A locked flash drive causes a lot of problems, for example, when a user urgently needs to open saved files. This article explains how to remove a write lock

Portable computer equipment has earned recognition and popularity among fans of fashionable gadgets. This is understandable, because smartphones, iPhones, tablets allow you to combine many useful functions. They are perfect for both work and play

SMD (Surface Mounted Devices) in English means "surface mounted device". SMD components are ten times smaller in size and weight than traditional parts

Capacitive screens are more durable, have excellent "responsiveness". There are two ways to implement: surface and projection

Electronics was born at the intersection of such scientific branches as physics and technology. If we consider it in a narrow sense, then we can say that it is engaged in the study of the interaction of electrons and the electromagnetic field, as well as the creation of devices based on this knowledge. What are these devices and how is the science of electronics developing today?

Today, there are a huge number of different media players, streamers, and other devices that are designed to display streaming video from online services on the TV, as well as media files stored locally on the computer

How often do you hear a crack or spark when plugging in a plug? It can be assumed that a couple of times you still witnessed such a phenomenon. Sparking sockets are perhaps the most common electrical problem in the home. Why is this happening and how dangerous is it? Let's figure it out

Practically all people listen to music, that's a fact. However, many are accustomed to getting by with only players, music centers and built-in sound cards. At the same time, everyone expects almost perfect sound from new devices. Crystal sound is more than possible, but for this you will need to purchase a special device - a multi-channel sound amplifier

Many housewives, choosing household appliances for the kitchen, are accustomed to seeing foreign brands on store shelves and will be pleasantly surprised to learn about the appearance of a Russian manufacturer in this niche. Multicooker "Dobrynya" will be a godsend not only for housewives who want to save time, but also for those who want to save money. Below we will talk about several models, they differ in advanced functionality and at the same time remain affordable

Electric guitar for a beginner is a very expensive pleasure. This is an almost unattainable dream for a young man. But in the meantime, an electric guitar made by one's own hands would be suitable for a novice guitarist. And it's not a chimera, it's quite possible

The game console "Dandy" became known to domestic buyers back in the 90s of the last century. Despite such an "ancient" age of the console, even today there are notorious fans of exclusives that came out for the NES hardware software in those days

Resistor is an object of an electrical circuit that serves to reduce the current strength in it. Resistors are also used to reduce the voltage in individual sections and divide the current into its components

Magnetic engine is one of the most probable variants of "perpetual motion". The idea of its creation was expressed a very long time ago, but so far it has not been created. There are many devices that bring scientists one step or several steps closer to the creation of this engine, but none of them has been brought to its logical conclusion, therefore, there is no talk of practical application yet. There are many myths associated with these devices

Choosing a car alarm is one of the most important jobs you can do with a personal car. The driver can set the alarm on his own, and therefore this work can be considered the most important task of the motorist

New cars are often equipped with fairly simple sound systems. They don't deliver deep bass or clear highs. Of course, such speakers are also suitable for listening to the news, but such speaker systems will cause real disgust for real music lovers, because you won’t hear normal music in them. It is quite another thing - the acquisition of a normal speaker system. In this case, you need to choose one of two options: component or coaxial acoustics

In this article we will talk about fingerprint readers. This is a completely new method of protection, which is used relatively recently. True, for the first time this type of protection began to be used on laptops and PCs, then it gradually moved to phones. And today you can find many models of mobile phones that provide blocking with fingerprints

Let's try to make a small review of sports headphones, which will help fans to run with music make a choice

What people have not come up with to increase comfort in their lives! The number of new inventions is constantly growing every year, and we are no longer so surprised when we hear that a tourist phrase T-shirt, a tablet PC, a robot vacuum cleaner or a floating fish farm have been invented. One of these small useful inventions is the cold accumulator

Any electronic device for normal operation needs to be supplied with electric current of the specified parameters. To do this, use a special block, known as an adapter. This device is most often supplied with the main electronic device. Today we will talk about power supplies. We will consider the purpose of these devices, their characteristics and types

The smartphone market has always been a fierce battlefield for many brands. Companies surprise us with design, build quality, ergonomics and interesting accessories, so when choosing a decent model, our eyes just run wide

Legal in Russia is a power indicator not exceeding 3 W (for law enforcement officers 10 W). However, even 3 W is enough to immobilize the enemy for 3-5 minutes, but at the same time not cause significant harm to his he alth

The thermal imager is a device capable of capturing surface temperature and displaying data about it on the screen. It works according to a similar algorithm with a night vision device (NVD) based on infrared radiation, which is converted into a signal displayed on the display. The picture is displayed in various colors, from red (hot area) to blue (cold)