Electronics 2024, November
Summary of light emitting optical diodes is given. In a concise and accessible form, the device and the principle of operation of the seven-segment digital display are described. The features of two varieties of the seven-segment indicator are shown
Now we can talk about the official birth of micro-USB. Its appearance on the mobile device market was not difficult to predict. The move to the new serial I/O connector has already been supported by some of the biggest companies on the planet. The article discusses the principle of operation of the new connector, its design features and prospects for use
Quite often, electronics sensitive to various overloads fail. This can happen, for example, if the operating mode of the tablet is violated. But what should the average consumer do in this case? Is it possible to repair a rather expensive tablet on my own or do I need to contact a service center? iPad screen replacement is a fairly common operation. Without a doubt, the specialists of the repair shop will help you
Any electronic device works according to its parameters. The article describes some features in compiling the current-voltage characteristic (CVC) of a diode
A personal computer needs a compact and fairly fast I/O port to communicate with other devices. To solve this problem, a so-called mini USB port was created, which is used when working with compact and small-sized devices. They are equipped with mobile phones, camcorders, chargers, programmers, etc
After a period of conservation, transportation, change of season, or a long period of inactivity of the equipment, the electric motor must be put into operation. A lot depends on the correct start-up: service life, operability of protection and control circuits, the number of subsequent repairs, etc. Operation of the machine begins with commissioning
The element base of semiconductor elements is constantly growing. Over time, the MIS transistor also appeared, operating on the principle of changing the electrical conductivity of the near-surface semiconductor layer under the action of an electric field
Thyristor power regulator is widely used both in all industrial areas and in everyday life. With its help, smooth control was made over the consumed electricity in household appliances and power plants. The scope of its application is huge - from well-known energy-saving devices, for example, for soldering irons, to temperature control in induction furnaces
The so-called laser diode has a sufficiently high output optical power and good performance. This allows you to use it in medicine or everyday life, in the manufacture of high-precision measuring instruments in production, etc
When the Schottky diode appeared, it did not cause much excitement among electronic circuit designers. The more interesting is the fact that this device is increasingly used in modern devices. He has good prospects, especially since in terms of his properties he is very close to the "ideal" diode
The study of the properties of a material such as a semiconductor has led to revolutionary discoveries. Over time, the MOSFET appeared. The scope of its application is quite wide - from high-frequency devices for various purposes to powerful power modules that can operate in induction circuits
The first IGBT transistor appeared in 1985 and combined the unique properties of bipolar and field structures. As it turned out, these two types of semiconductor devices known at that time could well “get along” together. Modern IGBT transistors have excellent performance characteristics and are used in innovative control, protection and control circuits
Such a device as an analog-to-digital converter is widely used in the operation of electronic circuits for various purposes. The development of their manufacturing technology and the emergence of new signal conversion principles are moving towards increasing the speed of these devices
A variety of instruments are used to measure environmental parameters. One of them is the air temperature sensor. It is widely used in a wide variety of fields: mobile and stationary weather stations, industrial plants, process control installations, household appliances, laboratory measurements, etc
The unique properties of the laser beam have long been used in medicine, in the manufacture of high-precision devices, in laboratory facilities, etc. Using a simple circuit at home, it is quite possible to make a home-made laser and find practical applications for it
Many devices operating in electrical circuits require accurate measurements in real time. For this, a current sensor is used - a specially designed device for converting a signal from an instrument transformer or other device into an analog one, which is consistent with the rest of the circuit
The so-called PWM controller has recently become widely used in electronic devices. Schemes based on it are innovative in the field of controlling electric drives of various capacities. They are quite compact and well managed
Good prospects in electronics has a PWM controller. It implements an innovative way of voltage conversion and works great both in various household appliances and in production
Devices incorporating an inverting amplifier are widely used in everyday life and in production. Circuits using this element are used to amplify / attenuate analog signals, they are used in many household appliances: tape recorders, televisions, radios, etc
Flip-flops are often found in electronic circuits. They participate in the work of many nodes, performing a wide variety of tasks. The Schmitt trigger has significantly improved the performance of this device. This useful modification of the original circuit gained immense popularity among designers in a short time
MOSFETs have good conductivity and stable performance. You can meet devices in various electrical appliances. To find out more information about them, you should familiarize yourself with specific modifications
To adjust the power of devices, current regulators are used. Home-made modifications are distinguished by the fact that they are designed for low voltage and suffer from increased sensitivity. You can assemble the regulator at home only by imagining the principle of operation of the main elements of the device
Modern cuisine cannot be imagined without a refrigerator. This white wardrobe is the main assistant in storing things, which means that you need to treat it with care, trying to extend its service life
Creating home robotic assistants can greatly facilitate everyday life. How he does this, you will find in the article
The article will serve as an auxiliary instruction when choosing a technique such as a yogurt maker. How to choose it, evaluate the advantages, disadvantages and what to focus on, is given below
The main criterion by which the selection of an air conditioner is carried out is the area of the room that it will serve. Any air conditioner has its own operating parameters - it is designed to cool the air in a room of a certain area
The 3D TVs currently on the market have Full HD resolution. Consumers are increasingly interested in these technical innovations, as well as how to watch 3D on this type of TV. Of course, in many models of TVs and projectors, the function of reproducing surround images is already implemented, however, other technologies are used to transmit such an image in a television format
The article is devoted to contact networks. The device of this kind of communications is considered, as well as the features of organizing networks when equipping railway communication and urban transport
A large number of consumers, after purchasing new household appliances, have to pay for additional services of specialists in the installation or installation of the device. Although some work can be done independently, without the help of qualified craftsmen. For example, installing a refrigerator, especially a freestanding one, does not require special experience. Even a built-in device can be mounted without skills, it is enough to familiarize yourself with the general recommendations and advice of specialists
The subject of a child's true admiration, of course, can only be a thing that can truly surprise the inquisitive mind of an emerging personality. A radio-controlled helicopter with a camera as a gift will be quite appropriate for any age group of people. See for yourself
The main screen is made at a decent level. When the device is in standby mode, it displays all the information the user needs. At the top of the display, you can see the current time and date. In the upper right corner is a battery indicator. Most of the screen space is occupied by two zones
The article is devoted to pulse converters. Their functional purpose in electrical engineering, features of a structural device, principles of operation, operational nuances, varieties of working effect, etc. are considered
Inductive sensor has some application features. It can recognize various groups of metals, due to the absence of wear and mechanical impact, it is a durable device. The devices are equipped with short circuit and overload protection mechanisms
The article is devoted to inexpensive car alarms. The types and characteristics of modern systems, as well as reviews of the most popular brands are considered
For several decades, a device such as an intercom has protected many apartment residents. This is a very convenient device, as it reduces the access of unwanted persons to homes. This reduces the number of burglaries and damage in the interior of the house (stairwells, basements, and so on). Codes for intercoms allow you to program calls to internal apartment numbers. This is very convenient, and thus you can protect yourself from unwanted situations
Stels appeared on the world stage relatively recently - in 1998. From that moment on, the pace of its development rapidly increased, and it assumed incredible proportions. To date, the brand can be proud of a number of models of its own production, the number of which exceeds 200 units. One of the most popular modifications of two-wheeled vehicles is the Stels Navigator 610 bike
The article is devoted to the technology of shock freezing. Its features, advantages, technical support, etc. are considered
The popularity of budget cameras in a compact form factor has noticeably subsided in recent years. And even attempts by manufacturers to expand the functionality of cameras against the backdrop of lower prices did not save the situation
On the market you can find manufacturers who produce universal models of lenses with different mounts. Take Pentax, for example. In the article, we will consider the most successful lenses and summarize the reviews of Pentax lenses made by professionals
In most countries of the world, video cameras have long become commonplace. People take them to school plays, sporting events, family reunions, and even births. In a place popular with tourists, they can be seen everywhere. Camcorders have gained a strong foothold in the US, Japan and many other countries as they represent a highly sought-after technology. This article describes the principle of operation and the device of the video camera