Technology 2024, April
Recently, so-called mechanical keyboards have appeared in Russia. We are all used to using membrane membranes and, in principle, everything suits us. Mechanical keyboards are much more expensive than membrane ones. As a rule, mechanical ones are always better than membrane ones and are very different from them
Transcend Corporation has pleased its fans with the new physical drive MTS800 M.2, which is designed to optionally expand the internal memory of tablets, subnotebooks and modern Chromebooks. Based on the name, the new product is made in the M
When the bank issues a card to its client, it also issues a secret code with which you can use the card through a terminal or ATM. The PIN is a four-digit combination. It is important that this code does not fall into the hands of third parties
Having installed a computer game on a flash card, you can take it with you to any place and play on any computer that meets the system requirements of the game itself. It is necessary Flash card. Instructions Step 1 Today, every PC user can install computer games on any type of removable media
The home PC is versatile and can be customized for a variety of tasks. With a microphone available, the range of possibilities can be tripled, but first this microphone must be properly connected and the volume adjusted. Instructions Step 1 For sound recording, the microphone may not be louder
The card reader may not work for two reasons: problems with the software for the device or a hardware problem. A novice user can also update the software for the card reader, but in the event of a technical malfunction, it is better to contact the service center
Phone screen protectors are a versatile way to protect your touchscreen from dirt, scratches, and fingerprints. Matte and glossy films have a number of pros and cons, which makes it difficult to choose between them. Screens of touchscreen phones need to be protected, since it is rather difficult to keep them intact during active use
The network adapter is a very important element of the computer, which provides the user with access to the network. Today, these devices are built into the computer's motherboard, so the need to purchase them is extremely rare. Network adapter Network adapters come in different types
Everyone knows that capacitive screens do not support pressing with objects that do not conduct an electric current, that is, it will not work to control a phone with such a screen with gloves. But there is a way out - this is a stylus, which you can make yourself
A USB flash drive is a universal storage and way of transferring information, which is used, perhaps, by every person working with a personal computer. USB stick USB sticks have been around for a long time and are used literally everywhere today
Having decided to buy good headphones, almost everyone begins to imagine these devices in their imagination, their fancy shape, size, color, etc. Indeed, the market today is saturated with various goods and in order to choose a quality thing - in our case, headphones, you need to take a good look at all characteristics
A sensor is a device that replaces a button, which is triggered not by pressing, but by touch. It can be electrical or optical. The way it is turned on depends on the chosen physical principle of operation. Instructions Step 1 The sensors that react to interference only work in rooms where there is an AC mains
When working with the navigator, a problem may arise: the user does not have enough standard maps. In this regard, programs have appeared that allow the user to independently install maps in the navigator. It is necessary Navigator, computer
If you have installed satellite equipment, then now it remains to configure it so that all channels declared in the passport can be watched in excellent quality. How to do this is described in detail in the instructions. If not, use the next method
To use a stationary computer as a TV, you need to connect and configure a TV tuner. Thanks to a wide range of models of these devices, everyone can choose the right equipment for themselves. It is necessary - cable Instructions Step 1 Select the TV tuner that suits your needs and is suitable for your computer
When choosing a microphone, you should pay attention not only to the required technical characteristics. Its unique sound will also be important, capable of reproducing every shade of your voice. To do this, you will need not to choose "
Information located on removable media is often overwritten and replaced with a new one, which is why one day it may become necessary to recover deleted files from a flash drive. For such an operation, there are special applications with the appropriate functionality
There are two types of receivers: stereo amplifiers and multichannel amplifiers. The latter consists of many blocks, including the stereo amplifier itself. For any of the types of receivers, you can choose the appropriate acoustics. Instructions Step 1 Front Speaker Selection:
A battery is a device designed to store energy in a chemical form that can be used like electricity. Its work is provided by the interaction of two metals in an acidic solution. When buying a battery, it is important to know the date of its production, as its service life will depend on it
Various routers and routers are used to create mixed-type local networks. Most often, these devices act as an intermediary between the provider's server and the computers that are part of the network. It is necessary - network cable
A plug is called a device for checking the state of charge of individual battery cells. This plug consists of a powerful pull-up resistor, a DC voltmeter and two test leads. Instructions Step 1 Find out what the voltage should be on a fully charged single battery bank from its instruction manual
The life of a battery in a mobile phone or a battery in a car directly depends on such technical characteristics as capacity. Battery capacity refers to the amount of energy that a device can hold and release in a given unit of time. The higher the capacity, the longer the battery lasts
Finger-type batteries are charged both with the help of some devices in which they are usually used (phones, cameras, etc.), and with the help of autonomous network chargers, which are quite easy to find on sale. Note that this applies to virtually any battery format
Sometimes radio technicians who are engaged in the design of electronic devices need to use microcontrollers in their designs. Microcontrollers need firmware - that's what programmers are for. What is a programmer? A programmer is a hardware-software device that is used to read or write information to a storage device (internal memory of microcontrollers)
All lovers of listening to music from a player or phone are familiar with the problem of tangled headphones. Here you fold them in the most neat way, put them in your bag … and next time you take out the headphones tangled with such knots that no sailor dreamed of
Diodes are used in technology for various purposes: rectification, detection, decoupling, etc. They differ from each other in a number of parameters. The selection of a diode should be carried out depending on the requirements for them. Instructions Step 1 Regardless of which operation the diode will be used for, when choosing it, be sure to take into account such basic parameters as the maximum allowable forward current and reverse voltage
It's no secret that older speakers sometimes produce much better sound quality than average computer speakers. But, unfortunately, such speakers have a different plug, and therefore, when connecting them, you need to take into account a number of subtleties
The navigator has become an obligatory attribute of a modern car: without it today it is like no hands. A set of maps is already available in the navigator from the manufacturer, but often you have to add new maps to the memory. You can update the map in the navigator from a professional or from an experienced car enthusiast who has been using the navigator for a long time
Printers can operate in various modes that differ in print quality and speed, as well as economy. In addition, during operation, they wear out and become dirty, which deteriorates the quality of the resulting printouts. Instructions Step 1 If you are using a dot matrix printer in text mode, use the buttons on the front panel to change the print quality
A guitar processor is a device for processing the signal of an electric guitar. It is a versatile device that can replace multiple pedals. Using the processor allows you to apply various effects. Their quality may be slightly worse than when using separate devices
An infrared camera allows you to shoot in twilight or complete darkness without disturbing people in the room. The image is bright and clear, but in black and white. It is necessary - camcorder, webcam, digital camera or phone with a camera
Computer games are very demanding on system resources. That is why, in order to play well and with pleasure, you need to have a sufficiently powerful computer. It can be assembled by yourself. When assembling a gaming computer separately (buying components and assembling it), you must first look at the prices for goods in various stores
If you want to achieve high-quality sound in your car, then you cannot do without a subwoofer, popularly just a “sub”. It reproduces low frequencies and thus creates bass. Instructions Step 1 Many reputable publications test different brands of subwoofers and talk about the pros and cons
The speaker system built into a computer is not always able to meet the increased requirements of the user. By connecting external speakers to your computer, you will be able to fully use the system's capabilities to ensure high-quality sound design for games, listening to music and watching videos
When working with microphones, the user often has to deal with various kinds of interference. Such interference can only be eliminated if the cause of its occurrence is known. Instructions Step 1 Determine the cause of the interference by its nature
For people who lead an active lifestyle, portable radios are sometimes needed. This class mainly includes walkie-talkies, for which no special permission is required, which can be registered without any special difficulties and documents. They operate in the 433 MHz frequency range
A bipolar transistor has three electrodes: an emitter, a collector, and a base. If the pinout of the device is unknown, it can be determined empirically. To do this, you can use a conventional ohmmeter. Instructions Step 1 Using a reference diode marked with a pinout directly on the case, determine what is the polarity of the voltage on the ohmmeter probes in resistance measurement mode
An HDMI cable is used to transfer video data between devices that have an HDMI connector. It is important to remember that this cable only allows you to transfer pictures, not sound. Therefore, to transmit sound, you need to buy an analog, optical or digital coaxial cable
The owner of the USB flash can protect it to prevent unauthorized access to data. Sometimes the password appears as an error. If such a problem appears, it can be difficult to remove it without losing data. Methods for solving this problem are different, and they can be applied depending on the specific case
Despite the fact that today the Internet is increasingly associated with the field of entertainment, it remains a convenient and powerful communication tool that allows you to connect people around the world. Skype and similar programs not only quite successfully replace long-distance telephone communication, but also allow videoconferencing - you only need access to the network