Electronics 2024, November

Unit of current strength - what does it mean?

Unit of current strength - what does it mean?

The unit of current strength shows how much charge will pass through the cross section of the wire per unit of time. The current strength is denoted by the Latin letter I, it is a scalar quantity. The unit of current strength is determined by the ratio of the charge q passing through the cross section of a metal conductor to the time interval t during which the electric current passed through the conductor. Accordingly, the formula has the following form: I=q/ t

DC rectifier: conversion principles and scope

DC rectifier: conversion principles and scope

One of the basic devices in electrical and electronics is the DC rectifier. It is difficult to overestimate the benefits of its use, constant voltage is necessary to power almost all devices. The article discusses some principles of converting AC voltage to DC. Some practical examples of the use of these devices are also given

What is a thermostat and how to check it?

What is a thermostat and how to check it?

When the engine is running, not only torque energy is released, but also heat. To prevent the motor from overheating and working in its mode, a cooling system is provided. It consists of a water pump, which is driven by a pulley, a radiator (often two or three sections), pipes and many other elements. An important component in the design of the system is the thermostat. What is it and how to check it? We will talk about this in the course of our today's article

LED tape: power, classification, varieties

LED tape: power, classification, varieties

Today, LED strip will be used in many areas. Therefore, manufacturers produce various versions of this product. LED strip, the power of which varies over a wide range, is selected according to a certain technology. It will be interesting for everyone to know

Temperature sensor for the boiler: description, characteristics, principle of operation

Temperature sensor for the boiler: description, characteristics, principle of operation

The article is devoted to sensors for the boiler. The purpose of such devices, characteristics, types, principle of operation, etc. are considered

Indirect storage water heater: principle of operation, connection, reviews

Indirect storage water heater: principle of operation, connection, reviews

Water heaters for indirect water heating have recently been in great demand. In terms of dimensions, the models are quite bulky. Their rated power parameter starts from 2 kW. For large families, devices of this type are great

Action camera - what is it? Action camera: description, reviews, prices

Action camera - what is it? Action camera: description, reviews, prices

The article is dedicated to action cameras. The features of such models, the best manufacturers, user reviews and prices are considered

Wireless alarm: an overview of the best models

Wireless alarm: an overview of the best models

The article is devoted to wireless alarm systems. The most popular models, their equipment and features of operation are considered

Smart socket with remote control

Smart socket with remote control

Let's try to figure out what a remote-controlled smart socket is: types, types and characteristics of the device

Frequency converter: principle of operation. High voltage frequency converter

Frequency converter: principle of operation. High voltage frequency converter

Frequency converters are used to control asynchronous motors of various capacities. Models differ in the method of control, as well as the type of construction. To understand the frequency converters, it is necessary to consider specific modifications

Synchronous motors: device, diagram

Synchronous motors: device, diagram

A feature of synchronous electric motors is that the magnetic flux and the rotor have the same rotation speed. For this reason, the rotor of an electric motor does not change its speed when the load increases. On the rotor is a winding that creates a magnetic field

Harmonic oscillator: types and applications

Harmonic oscillator: types and applications

Technological progress is carried out through the study of physical phenomena, discoveries in the quantum field and other fields. At the same time, new devices and devices are invented, through which it is possible to conduct various studies and explain the phenomena of the microworld. One of these mechanisms is a harmonic oscillator, the principle of which was known even by representatives of ancient civilizations

Ceiling lights for stretch ceilings: LED lights as the best option

Ceiling lights for stretch ceilings: LED lights as the best option

In the design of the upper part of various rooms, ceiling lights are increasingly appearing. For stretch ceilings, LED lights are the safest option as they generate a small amount of heat

Analog video surveillance: description, features, programs and reviews

Analog video surveillance: description, features, programs and reviews

The article is devoted to analog video surveillance. The features of such systems, differences from digital cameras, reviews, etc. are considered

Receiver "Tricolor TV" - all you need to watch a lot of channels

Receiver "Tricolor TV" - all you need to watch a lot of channels

Described various modifications of such devices as the receiver "Tricolor TV". Technical specifications are given, recommendations are given regarding the choice

Security system for cars and its installation by hand. What security system to choose? The best car security systems

Security system for cars and its installation by hand. What security system to choose? The best car security systems

The article is devoted to car security systems. Considered recommendations for the choice of protective devices, features of different options, the best models, etc

Alarm "Starline B9": installation and operating instructions

Alarm "Starline B9": installation and operating instructions

Car alarm Starline B9: system features, benefits, installation recommendations. Complete set and functionality of the security complex

Lenovo K910: model review, customer and expert reviews

Lenovo K910: model review, customer and expert reviews

Lenovo K910 continues the line of smartphones from the Chinese manufacturer. Can he repeat the success of his predecessor? And is it worth the money? You will learn all this and much more from this article

Xperia M2 Dual - model overview

Xperia M2 Dual - model overview

The official debut of the Sony Xperia M2 Dual smartphone, which is reviewed in more detail below, took place last year. Compared with its predecessor (model Xperia M), the novelty has increased in size. In addition, the developers have slightly improved some of the characteristics of the phone

Coffee machine Bosch TCA5309 BenvenutoClassic: reviews

Coffee machine Bosch TCA5309 BenvenutoClassic: reviews

The article discusses the Bosch BenvenutoClassic TCA5309 coffee machine. The main features of the machine, its ergonomic properties are considered and reviews of those who have already purchased it are given

Choosing a coffee machine - which is better

Choosing a coffee machine - which is better

The choice of a coffee machine is determined by three factors: reliability, quality and price. It is not at all necessary to buy an expensive fancy unit for operating a house

Washing dryer: reviews. The best washer dryer

Washing dryer: reviews. The best washer dryer

It is often difficult to dry your laundry. This issue is especially acute in the cold season

Magic Start-Stop button makes the world cleaner

Magic Start-Stop button makes the world cleaner

In this article, the "Start-Stop" button will be presented to your attention. It allows you to turn the ordinary life of a motorist into driving pleasure, and also make our world cleaner

How to make a speaker for your phone - take music with you

How to make a speaker for your phone - take music with you

Sometimes there are situations when I would like to take music with me to nature, on a trip. What if it was a miniature speaker connected to a mobile phone? If you want to learn how to make a speaker for your phone with your own hands, then this guide is especially for you

Industrial controllers: manufacturers, device, principle of operation, application

Industrial controllers: manufacturers, device, principle of operation, application

The article is devoted to industrial controllers. The principle of their operation, device, manufacturers and applications are considered

Panasonic bread maker: advantages and possibilities

Panasonic bread maker: advantages and possibilities

This article talks about the advantage of the Panasonic bread machine over a conventional oven

Philips iron - customer reviews

Philips iron - customer reviews

The article describes Philips products, namely the iron it produces, and also provides customer reviews of these products

Types of paper for inkjet printer

Types of paper for inkjet printer

How much time you can spend on choosing an inkjet printer is unknown. It seems that among all the variety you can spend hours watching the emergence of new models. But even with the choice of paper for an inkjet printer, you will have to get confused, because we have unusual equipment in front of us. He has his own requirements for the paints used, and for the desired material

OSM transformers: features, types, design

OSM transformers: features, types, design

Transformers OSM is a multi-purpose transformer up to 4 kVA with one or more secondary windings designed for different voltages. Used to power lighting, automation or signaling

Breathalyzers: top best, review, specifications, instructions

Breathalyzers: top best, review, specifications, instructions

To choose a good breathalyzer for your company or home, you need to understand how such devices work and what types they are. In this article, you will learn by what criteria you need to choose a breathalyzer and get acquainted with the list of the best devices in different price categories

Multicooker power: which one to choose?

Multicooker power: which one to choose?

Are you faced with the choice of such an indispensable and multifunctional device as a multicooker, and do not know which one to choose? Then we offer an overview of the best helpers in the kitchen according to the main characteristics. An important selection criterion is the power of the device. What does this indicator affect and how to choose the best model?

Thermoelectric generator: device, principle of operation and application

Thermoelectric generator: device, principle of operation and application

This article focuses on the use of low-temperature thermal resources, the use of thermoelectric generator (TEG) technology, which can become a key in creating new autonomous energy sources, far exceeding the efficiency of devices using the sun, water, wind

What is air conditioner without outdoor unit

What is air conditioner without outdoor unit

Air conditioner without an outdoor unit is also called mobile. It does not require special skills for installation and is installed in a place convenient for you

How to choose a battery-powered LED flashlight: market overview and manufacturer reviews

How to choose a battery-powered LED flashlight: market overview and manufacturer reviews

Choosing an LED flashlight but can't decide on a model? We offer an overview of the necessary characteristics that must be in the lantern, what you need to pay attention to when choosing. We will also consider the models on the market and an overview of the best manufacturers of LED lights

Multicooker "Redmond RMC-M4502": reviews, instructions

Multicooker "Redmond RMC-M4502": reviews, instructions

Model RMC M4502 from the company "Redmond" is a multifunctional multicooker with many cooking programs. However, the main feature of this device lies in the new "Multi-cook" function, which allows you to choose both the temperature and the cooking time

"Boneko" - air humidifiers for he alth and comfort

"Boneko" - air humidifiers for he alth and comfort

Brief information about the company. Why do you need a humidifier? What humidifiers are available today. The best and worst reviews. What to choose?

Aerogrills: customer and expert reviews. Reviews of aerogrills Redmond, Dux, Supra, Hotter

Aerogrills: customer and expert reviews. Reviews of aerogrills Redmond, Dux, Supra, Hotter

In the 1980s, all of America was embraced by the idea of he althy eating. This was the impetus for the development of a new wonderful device - aerogrill

Transistor-transistor logic (TTL)

Transistor-transistor logic (TTL)

The article will consider the TTL logic, which is still used in some branches of technology. In total there are several types of logic: transistor-transistor (TTL), diode-transistor (DTL), based on MOS transistors (CMOS), as well as based on bipolar transistors and CMOS. The very first microcircuits that were widely used were those that were built using TTL technologies. But you can’t ignore other types of logic that are still used in technology today

Self-repair of puncher. Do-it-yourself puncher repair

Self-repair of puncher. Do-it-yourself puncher repair

Modern set of repair and construction equipment is hard to imagine without such an important tool as a hammer drill. The principle of its operation is based on the functions of a conventional electric drill, which are expanded by reciprocating impact capabilities. A special mechanism is responsible for them, which converts the rotational movements of the shaft into shock. If repair of the perforator is required, then this particular unit most often fails, because it is subjected to increased loads

Telefunken TVs. A brief setup procedure and owner reviews

Telefunken TVs. A brief setup procedure and owner reviews

Telefunken TVs have not yet received wide distribution in the domestic market of electronic equipment. But given the fact that this manufacturer is from Germany and has already achieved certain achievements on the world stage, it is a matter of time to increase their presence in the domestic market