In the distant past, there are those times when charging for electricity was carried out on the basis of the power of lighting equipment and other electrical equipment located in the room. At present, the presence of an electric energy meter

In order to save a little electricity, as well as control different levels of lighting from one place, three-key light switches were created. They are often used in houses and apartments, because. really comfortable and easy to use. Podk

Lecture N 10 Defectoscopy is a field of knowledge covering the theory, methods and technical means for determining defects in the material of controlled objects, in particular in the material of machine parts and metal structures. Flaw detection is

Insect pests can cause significant damage to your crop. Therefore, the gardener needs to take care of protecting his garden from early spring. Far for every drug can cope with insects such as whiteflies, so it is very important to choose an op

Good evening hackers. Many people were interested in my idea of ​​clocks on vacuum fluorescent lamps. Today I will tell you how this watch was created. Indicators The main role is occupied by gas-discharge indicators. I used IV-6. This is a luminescent seven-segment

The Tu-160 strategic bomber is a unique aircraft. "White Swan" or Blackjack, according to the terminology invented by the American side, this most powerful model is often called. At present, it is this model of air transport

A thermal engine is an engine that performs work at the expense of a source of thermal energy. Thermal energy (Q heater) from the source is transferred to the engine, while part of the energy received by the engine spends on doing work W, unspent energy

LEDs replace such types of light sources such as fluorescent lamps and incandescent lamps. Almost every home already has LED lamps, they consume much less than their two predecessors (up to 10 times less than incandescent and

An excellent option for the supporting part for a residential building will be a strip foundation with your own hands, step-by-step instructions will help you complete the work without errors. The result of the work will be a reliable foundation that even a brick building can withstand. Types of tape

I have not seen an inverter circuit simpler than this one. To repeat, you need a minimum of parts - there are no more than 10 pieces. To obtain a voltage at the output of 220 volts, we need one AA battery with a voltage of 1.5 volts. Inverters are needed there, g