Electronics 2024, December
Last modified: 2023-12-16 08:12
As you know, there is a serial and parallel connection of LEDs. In this case, the question arises, why is one chosen for garlands with incandescent and neon lamps, and another for LED elements? It's about the characteristics of the emitters. Each LED has its own voltage drop
Last modified: 2023-12-16 08:12
Many do not understand why food is heated in the microwave, but an empty plate remains cold, regardless of the time it was inside. Schemes of microwave ovens and their principle of operation involves the increase of only liquids, fats and sugars. This happens due to the fact that the high-frequency radiation produced by the magnetron (it is also called a gun) accelerates only dipole molecules, which are not present outside a humid environment. It is for this reason that ceramics, glass or plastic do not heat up
Last modified: 2023-12-16 08:12
The design of ceiling lights presented on the shelves of electrical goods stores is quite extensive. However, no matter how beautiful an ordinary chandelier is, the principle of its operation is always the same - some of the bulbs turn on from one key, some from another. But I want something new and interesting. In addition, in the evening, especially in winter, when it gets dark early, it is not very convenient to turn off the light to get to the bed by touch
Last modified: 2023-12-16 08:12
If we talk about what devices you can switch the time relay, then the list will be very extensive. Most often, RV is used together with a magnetic starter. Such automation elements are quite convenient when applying voltage to a heating boiler if it is not equipped with a temperature sensor. After all, the constant heating of the coolant is also useless. It is worth trying to figure out how it is switched
Last modified: 2023-12-16 08:12
As local lighting, the ideal option would be to use LED strips or spots, which are enough to direct to a specific area. Thus, you can perform zoning of the room. Often local illumination is carried out by desktop devices. In this case, it is enough just to screw an LED lamp with a matte diffuser into them. It will make the flow softer, which means it will not blind
Last modified: 2023-12-16 08:12
Calculating how much electricity the multicooker consumes, we can say with confidence that there is no question of any exorbitant amounts. In addition, if not a gas, but an electric hob is installed in the dwelling, then using such a device will be much more profitable
Last modified: 2023-12-16 08:12
Home masters, even those who did all the wiring in the apartment with their own hands, often give in to assembling the electrical cabinet, preferring to pay for the work of professional electricians. However, it is not a fact that a real specialist will work, and not one that is popularly called "six-volt". In addition, such a scheme for connecting an apartment shield is not as complicated as it might seem at first glance
Last modified: 2023-12-16 08:12
Switching the automation of the home power network has been and remains the most important stage of electrical work. However, before proceeding with it, it is necessary to select the equipment in such a way that it can protect the wiring from overloads and short circuits. If all calculations are performed correctly, then the shutdown will occur when it is necessary, and not spontaneously
Last modified: 2023-12-16 08:12
Everyone who once dismantled an old outlet noticed burning of the insulation on one wire in the absence of similar signs on the other. Any experienced electrician, having barely looked at this, will say that the blackened contact is zero, and he will be absolutely right. It is on him that the main load falls, which is much higher in the power cabinet. It is to prevent such situations that a zero tire in the shield is required
Last modified: 2023-12-16 08:12
Soft and unobtrusive illumination of two-level ceilings or furniture has now become very popular in Russia. Moreover, it is not difficult to perform it: you just need to purchase an LED strip and an adapter for it. However, at the installation stage, novice masters may have difficulties. If the kit comes with a connector - good. But what if it doesn't exist? This will be discussed
Last modified: 2023-12-16 08:12
Waking up in the morning becomes a real challenge for many people. It is at such moments that a cup of strong tonic aromatic coffee comes to the rescue, helping to wake up and giving a boost of vivacity. The only problem is that in the morning there is no time to cook it. It is for this that special devices have been created to help in such a matter. In today's article, we will talk about what types of coffee machines exist and which ones are more convenient for home use
Last modified: 2023-12-16 08:12
Every day, almost every girl resorts to using a hair dryer. It is certainly very convenient to dry and curl your hair with them, but it is worth remembering that some models are not designed for daily use. This article presents the best hair dryers for curling from a variety of brands
Last modified: 2023-12-16 08:12
Consider the best audiophile headphones that can be found on the shelves of domestic stores. We will analyze the remarkable characteristics of gadgets, as well as the available pros and cons. For a more visual picture, the devices will be presented in the form of a rating, where the opinions of thematic magazines and respected reviewers are taken as the basis
Last modified: 2023-12-16 08:12
Increasingly, in the kitchens of housewives, such a miracle of technology as a dishwasher appears. In the article you will find information on where the tablet compartment is located in Hotpoint Ariston dishwashers and other models, as well as how to use this type of detergent correctly
Last modified: 2023-12-16 08:12
Today, controlling a TV with a phone is quite real. We will just try to figure out exactly how this can be done and what is needed for this. From our article you will learn how a regular smartphone can replace a standard TV remote control
Last modified: 2023-12-16 08:12
Today, many people have cars. Due to the large number of vehicles and poor lighting, accidents have become more frequent. For this reason, you should be very careful when choosing lamps for your car. The Philips D4S xenon lamp is a great choice for several reasons
Last modified: 2023-12-16 08:12
Currently, halogen-type lamps are very popular. Such lighting objects are widely used in modern interiors and have a number of advantages. What are the characteristics of the considered lighting devices? How do consumers respond to them? Let's consider all these questions further in more detail
Last modified: 2023-12-16 08:12
When choosing a TV, consumers are primarily interested in its technical characteristics and screen dimensions. It depends on its size how comfortable it will be to watch TV. In the article, we will consider how to measure the diagonal of a TV if it is not possible to find out its technical characteristics from documents
Last modified: 2023-12-16 08:12
HB4 xenon bulb is designed for car headlights. In fact, HB4 is the marking of the base used in a certain type of lamp. Here you can add that with this type of base there can be not only a xenon, but also a halogen or LED lamp
Last modified: 2023-12-16 08:12
Today, people actively use a variety of electrical devices. Some of them operate at sufficiently high voltages, and therefore can be dangerous. High-speed switches are designed just to turn on and off electrical circuits, as well as to automatically disconnect this circuit in the event of a short circuit
Last modified: 2023-12-16 08:12
Until recently, breathalyzers were used only by traffic police to measure the level of alcohol in drivers. Today, many professional devices have appeared that in practice provide invaluable help to many people
Last modified: 2023-12-16 08:12
With the advent of the motion picture industry, cameramen experimented with ways to work with the camera to create high-quality and exciting shots that could attract an audience. The development of the steadicam made this task much easier, making it easier for operators to capture breathtaking footage
Last modified: 2024-01-07 15:01
Action-cameras are popular not only among thrill-seekers, but are also gaining popularity among both professional operators and amateurs. Athletes value devices for their environmental protection and ease of use, while cameramen appreciate their compactness and captivating footage. Cyclists buy action cameras to use as regular DVRs
Last modified: 2023-12-16 08:12
The appearance of the Cisco 2921 is concise and not replete with various design frills and decorative elements. The front panel is a grid with a minimum number of connectors and buttons. The article provides an overview and description of the technical characteristics of the Cisco 2921 router, as well as user reviews and recommendations
Last modified: 2023-12-16 08:12
Unipolar generator is a kind of DC electric machine. Contains a conductive disc, a constant magnetic field parallel to the axis of rotation of the disc, 1 current collector on the axis of the disc and a 2nd current collector at its edge
Last modified: 2023-12-16 08:12
In electronics, the DAC circuit is a kind of system. It is she who converts the digital signal to analog. There are several DAC schemes. Suitability for a particular application is determined by quality metrics, including resolution, maximum sample rate, and others. D/A conversion can degrade the sending of the signal, so it is necessary to find an instrument that has minor errors in terms of application
Last modified: 2023-12-16 08:12
Before buying a new flat TV, manufacturers recommend that you familiarize yourself with the main characteristics of the device
Last modified: 2023-12-16 08:12
In 2010, AMD officially introduced the Radeon HD 5650 mobile graphics accelerator. This device has advanced technical parameters and this accelerator in HD resolution can run most of the toys of that time. Therefore, such a video card can be safely called a high-performance one, and this material will be devoted to its characteristics and test results
Last modified: 2023-12-16 08:12
Clearomizers work as a separate evaporation system. Such devices are not tied to certain models of e-cigarettes. Joyetech clearomizers are designed for beginner vapers. However, even advanced users appreciated the high quality of products
Last modified: 2023-12-16 08:12
Despite the widespread use of various instant messengers, many people prefer regular SMS messages. This is due to the fact that budget mobile phones simply do not support modern applications. In addition, almost all tariff plans include a free SMS package, which subscribers successfully use
Last modified: 2023-12-16 08:12
Xiaomi continues to delight its users with interesting "chips". It all started with the MIUI 7 firmware version. So, a new Mi Drop Xiaomi application appeared on the devices of this company. What is this utility, how to use it, can it be removed - the article will answer these and other questions
Last modified: 2023-12-16 08:12
The tuner is… That is the subject of this article. Understanding the meaning of this word is important for any modern person who is interested in the latest technology. When using this term, various confusions often occur, since it has several meanings at once
Last modified: 2023-12-16 08:12
Asynchronous electric motors are currently used very actively. They have certain advantages due to which they have become so popular. To connect powerful motors to the electrical network, "star", "triangle" schemes are used. Electric motors operating on such schemes have their own advantages and disadvantages
Last modified: 2023-12-16 08:12
Today electricity surrounds people everywhere. To ensure operability, it is often necessary to connect the wires to each other. At this point, the main question arises, which is better - twisting or terminal block? There is no single answer to this day
Last modified: 2023-12-16 08:12
Various large household appliances greatly facilitate the life of a person. A washing vacuum cleaner helps keep the house clean, a washing machine helps keep clothes clean. But in the process of operation, the equipment itself needs care. Sooner or later, every housewife wonders how to clean the drum of a washing machine from dirt
Last modified: 2023-12-16 08:12
Today, temperature sensors are used in industry and many other areas. They are considered one of the most important items in the system. There are many types of such equipment. PT100 - temperature sensor, which is currently quite common
Last modified: 2024-01-16 14:01
Now almost every Internet user has a webcam, but not everyone knows about the intricacies of choice. Consider the features, types and characteristics of this indispensable device, especially when communicating with relatives who are far away
Last modified: 2024-01-16 14:01
Audio signal capacitors are specifically designed for audio applications and provide better audio channel performance than many other standard components. The types of these devices are aluminum electrolytic and film designs. They are widely used in audio amplifiers, acoustic circuits, turntables or CD players, and musical instruments such as bass guitars
Last modified: 2023-12-16 08:12
Portable charger is designed for additional recharging of equipment in places of rest, outside the city, where it is not possible to use the battery
Last modified: 2023-12-16 08:12
Ultra short throw projectors represent a milestone in the development of multimedia technology for education and entertainment. Many problems in teaching and home entertainment are solved by achieving a minimum distance between the projector and the screen