Rating of the best programs for calculating cable cross-section by power, current and length. What programs are better to download on android and windows 7-10?
How to make a cotton switch with your own hands. Schemes and video instructions for assembling an audio relay for controlling lighting on the pop.
3 ways to make a light through switch do it yourself. How to assemble a loop-through model of a circuit breaker from a conventional push-button switch, intermediate relay.
What is phase, zero and earth in an electrician. Why do we need a phase, zero and ground wire. Definition of concepts in simple words.
Graphs and formulas showing the dependence of the resistance of the conductor on temperature. The effect of heating metals, liquids and gases on their resistance.
What are dielectric losses in dielectrics, how do they arise and what do they depend on. Overview of instruments for measuring dielectric loss.
How to determine the capacitance of a capacitor with a multimeter. The main methods for determining the capacitance of an electrolytic and ceramic capacitor.
How to make a soldering station with your own hands. Scheme and video examples of assembling a homemade soldering station at home.
What is a transient contact resistance and because of what it arises. The contact resistance of the contacts and the methodology for measuring this value.
How to determine the power consumption of the device by current clamps, according to the formula and using an electric meter. Simple ways to determine power consumption.
The device, principle of operation, purpose and main types of fuses. Find out what these devices are for and how they work.
How to make a motion sensor with your own hands at home.Video instructions and assembly diagrams of a simple microwave and thermal motion sensor.
How to make a temperature controller with your own hands at home. Assembly diagram of a simple temperature controller for transistors and a TL431 chip.
Instructions on how to make a time relay with your own hands. Schemes and video tutorials on assembling a homemade timer at home.
How to make a dimmer with your own hands on 220 and 12 V. Assembly schemes of the dimmer, instructions and photo examples. Simple dimmer on thyristors, triac, microcircuit.
Overview of the best programs for calculating grounding. Find out with which software products you can quickly and easily calculate the ground loop!
An overview of the best free software for calculating and designing lighting. Find out which programs are the most convenient and multifunctional!
How to properly remove radio components from the board so as not to damage anything. The technique of evaporating capacitors, transistors, resistors and other circuit elements.
Simple ways to make a boiler with your own hands at home. Assembly instructions for a home-made boiler from two blades and a heater from a kettle.
An article on how to make automatic gates with your own hands for a garage and a fence. Video ideas for creating swing and sliding gates with remote control.
How to make a transformer with your own hands from improvised tools. Formulas for calculating parameters and winding technology of a makeshift transformer.
Arduino combination lock circuit. The principle of operation of an unusual castle, as well as the code with which it will work.
Neighbors steal electricity, but do you pay or does it shock in the bathroom? Learn how to identify theft of electricity and punish dishonest neighbors!
Do not know what to give an electrician for a birthday, New Year or a professional holiday? For you, we have collected the best gift ideas for all occasions!
Ideas for making a do-it-yourself wind generator at home. Photos, diagrams and drawings of homemade windmills. Video tutorials on assembling a wind generator.