The article describes the main disadvantages of implementing the "smart home" system in the construction or repair of a house. After reading this article, you will not want to make a smart home system!

Nowadays, automation systems "smart home" are becoming quite popular. Advertising screams about the convenience, economy, comfort and many other advantages of such systems. An uninitiated layman sometimes does not imagine what problems he may encounter when buying such a system for his home. Consider some of the shortcomings of the "smart home" in more detail.

The first, and main, drawback of a smart home is the high cost of equipment, its installation and maintenance. This aspect repeatedly covers the cost of the entire effect of energy savings ...

The modern elemental base of electronics allows you to create devices simple in circuitry, but having a fairly wide range of functions. Previously, such devices were only available for use in complex and expensive professional systems, and now their use makes our everyday life more comfortable and easier.

This article will talk about devices that use sensors that respond to infrared radiation. Once such sensors were mainly used in security systems, and now no one is surprised by the doors that open in front of each incoming person or the automatic inclusion of lighting in the entrance. And all these are infrared sensors! ...

The modern elemental base of electronics greatly simplifies circuitry. Even a normal twilight switch can now be assembled from just three parts.

Quite often, situations arise when, after dark, the inclusion of lighting is required. This may be the entrance to the entrance of the apartment building, the porch and the courtyard of a private household, or simply lighting the house number. This inclusion is usually carried out using a twilight switch.

There are a lot of similar schemes developed, both in amateur and in industrial conditions. Like everything else, these designs have their positive and negative properties. Some of the negative properties are such as the need for an external constant voltage source (+12 V), or the complexity of the circuit ...

Description of a simple and reliable temperature regulator circuit for a heating system.

Russian winter is harsh and cold, and everyone knows about it. Therefore, the premises where people are located must be heated. The most common is central heating or individual gas boilers.

Often there are situations when neither one nor the other is available: for example, in a clean field there is a small room of a water pumping station, and there the driver is on duty around the clock. There are many such examples.

In all these cases, it is necessary to arrange heating using electricity. If the room is small, then it is quite possible to do with a conventional oil electric radiator for domestic use ...

ATS - Automatic activation of the backup generator. We continue the series of articles on the topic of autonomous power supply of a private house.

In previous articles, we examined in sufficient detail various types of autonomous sources of electricity, namely UPS (uninterruptible power supplies on rechargeable batteries) and GU generator sets.

There was also an article on how to combine two devices - a mini-power plant and a UPS in order to achieve maximum results during operation.In this article we will consider the device through which the mini-power plant is controlled. The name of this device is ATS-automatic backup power on. Almost all mini-power plants, and no matter how quiet they work, give out a lot of unpleasant decibels. For example, a relatively quiet mini-power plant ...

We continue the series of articles on the topic of autonomous power supply for a private house.

In previous articles, we have already considered several types of autonomous sources of electricity, namely: UPS uninterruptible power supplies, where batteries are the source of electricity, and generator sets for diesel fuel, gasoline or gas are the second source of energy.

The advantages and disadvantages of each of the devices we examined, as far as possible in words, is quite extensive, in the same article we will try to figure out how to combine both of these devices, to use the full potential of both the generator set and the uninterruptible power supply to the maximum. For a more complete picture of the upcoming event, I would like to note a relatively high cost ...

The most rational, in terms of economy, is the use of a UPS uninterruptible power supply, where the battery is used as the energy source.

Today, in the Uninterruptible Power Supply-UPS market, there are 3 main types of devices - on-line, off-line and line-interactive UPS. In this short article we will try to figure out what is the difference between these devices, which one is better, the advantages and disadvantages of each of the devices.

Before we begin to analyze the advantages and disadvantages of the UPS, you must determine the degree and importance of the equipment that will power the UPS. In order to determine which device you need, answer a few questions that will facilitate the further selection of the UPS ...

The article describes a simple and reliable circuit for controlling an electric pump. Despite the extreme simplicity of the circuit, the device can operate in two modes: water lifting and drainage.

At the cottage or in the farm without water it is simply impossible to do. As a rule, there is no centralized water supply system in such remote places, so there are not so many ways to extract water. This is a well, well or open water. If there is electricity in the summer cottage, then the problem of water supply is best solved with the help of an electric pump.

In this case, the pump can operate either in the mode of filling the tank, or in the drainage mode - pumping water from the tank, well or well. In the first case, overflow is possible over the edge of the tank, and in the second case, the pump runs dry ...