Heating systems
Gas boiler does not heat hot water, heating works
One of the problems that can happen when using a double-circuit boiler. The boiler does not heat hot water. The main and most common reason...
Heat pump: operating principle for heating a house
A heat pump is a device that can provide your home with heating in the winter, cooling in the summer, and hot water production all year round. The heat pump uses...
Heating a country house DIY country house heating project
The main problem with heating a country house is that heating is not carried out by a solid structure, but with the help of individual elements that need to be selected correctly and...
How to make heating yourself cheaply and quickly
One of the stages of building a private house is the design and creation of a heating system. This is a difficult stage, since you need to not only design the heating, but also...
How to properly heat a country house?
The issue of replacing stove heating with a more modern one, sooner or later, has to be decided by the owner of a private house. It is clear that the task is very difficult for a non-professional, but...
Current transformer - operating principle, purpose and device
Current transformer (TN, TV) is an electrical device that changes the output value of the electric current during transmission from primary to secondary...
Connection diagram for a pass-through switch: connect step by step from two and three places
Based on basic savings, you begin to think about how not to turn on the lights around the clock. Lighting in different rooms especially on different floors. Is it your home or...
What is a biofireplace for an apartment, its operating principle and features
A fireplace in the house is the dream of many, but, unfortunately, in the conditions of an ordinary city apartment this dream remains unrealized. Of course you can, but this is just a parody of the real thing...
Circuit of a simple multivibrator for a powerful load (KT972, KT973) Electrical circuit diagram of a symmetrical multivibrator
This article describes a device designed simply so that a novice radio amateur (electrician, electronics engineer, etc.) can better understand the fundamental...
DIY dimmer installation
Relatively recently, the only available option for regulating the brightness of lighting fixtures was the installation of a device called a rheostat. At the same time, the power of such...
Triacs, triacs BTA, triacs BTB Pinout of triac BTA
Triacs are bidirectional thyristors, allowing them to be used directly in AC circuits. A triac, like a switch, can be located in one of...