Now on the Internet you can find a huge number of circuits of various amplifiers on microcircuits, mainly the TDA series. They have quite good characteristics, good efficiency and are not so expensive, and therefore use this

Wireless Internet is very popular today. And this is no coincidence, because for it practically no cables and eyeliner are needed, and a computer with the ability to accept a network via Wi-Fi can be located throughout the apartment. Well and of course

I have a lot of different office equipment that is out of order. I do not dare to throw it away, and suddenly it will come in handy. From its parts, it is possible to make something useful. For example: a stepper motor that is so common is commonly used

In plumbing, like any other repair work, there are many nuances. Technically, this work is understandable and predictable, but you can’t foresee everything. Incidents can happen at the most inopportune moment and you need to be prepared for them.

This craft will especially appeal to those who like to cook often and variably. It will maximize convenience and save time spent finding the right seasoning container. Thanks to this simple refinement, all the spices will be on your

When you want to amplify the sound of your device, be it a phone, a tablet. We turn the volume to the whole and the battery discharges the application. But it happens that the volume is not enough. At home, if there is a socket, speakers are used. Outside the house with a nutritional problem helps

Television is in every home today. With the development of technology, the quality of television signals and their transmission methods are changing. And if yesterday antediluvian analogue broadcasting was used, today exclusively digital is persistently discussed. On

This is just amazingly fast and amazingly delicious breakfast. It will take no more than 15 minutes to cook it. It turns out that eating right is not so difficult. And instead of a dryer, such as a sandwich, you can almost instantly cook this delicious

I made myself a charger for four lithium-ion batteries. Someone will think now: well done and done, there are plenty of such on the Internet. And I want to say right away that my design is capable of charging both one battery and four at once. All

A thermocouple is a sensor consisting of two conductive conductors that are different in their properties and soldered together. The measurement occurs due to the formation of a thermal electromotive force (voltage) formed between the conductors. Depending on the

A very simple and durable broom for the home can be done with your own hands in a very short time. I think everyone has plenty of material like a plastic bottle. Sweeping such a broom is just excellent. To clean your yard from trash is better

Today I will show you how to make a home nuclear reactor. I hope you have a good sense of humor, then let's get started. To build a mini reactor you will need a glass jar.

Wireless Internet networks are everywhere today. And most of our computers are capable of perceiving them. However, the signal strength is sometimes not enough to just connect, not to mention full-fledged surfing in the online space. For help

The windows in our houses and apartments provide passive air exchange, and are sources of natural light, ultraviolet radiation. They are designed to provide protection from street noise, dust and precipitation. Thanks to them we can

For cats, one of the most important things in life is sleep. They prefer to spend most of their time sleeping or quietly lying in the most unexpected corners.

Modern comfortable living is somehow connected with heating. This is one of the most important communications, which is considered even at the stage of creating a development project. Central heating systems most often run on gas. But what

I will show how to make a simple and cheap water-repellent or moisture-proof coating - liquid glass. Motorists have been using it for a long time, covering them with headlights, glass and all the pieces of their car. This coating is relevant especially in the spring-autumn

It’s easy to manufacture and very powerful like a gun Wi-Fi antenna. With it, you can receive and transmit a Wi-Fi signal not just hundreds of meters, but several kilometers! A cannon antenna resembles a space blaster and just like

A posistor is an electronic component that has a positive resistance coefficient and has a dual function: a heater and a temperature sensor. When high voltage or current is applied, the electronic component heats up. The higher it gets

Like any industrial product, a sauce called mayonnaise originated at home. Suppose that initially it was quickly stratified into component products, and therefore it was not stored for long. Today, with a submersible blender with a turbo mode and twenty minutes

LED flashlight today does not surprise anyone. They can be bought at almost every corner. There are countless varieties of all shapes and sizes in our market. But their characteristics are very different, and sometimes do not correspond

I propose for assembly another electronic device designed to automate human life. It can be described as follows: at a given time it turns on the load, and at a given time it turns off, and the next day the cycle repeats.

I want to tell how to make a very simple smoke generator for cold, home smoking.The design of the generator does not require much effort or time from you. I love smoked products, and if you choose between hot and cold smoking, then

What to do with old t-shirts? This question is of interest to many housewives. But they can find a worthy application! For example, a rug can be made from T-shirts. Knitted rug will be in demand both in the apartment and in the country. This mat is comfortable and