DIY garage alarm: efficiency, composition
Protecting a dacha in winter has always been a pressing problem for its owners. In summer it’s naturally easier. After all,
Wind generator from a barrel: features of self-made device
Registration / Login Date of publication: February 20, 2019 In recent years, wind energy has strengthened its position
Ultrasonic emitters in microcontroller circuits
An ultrasonic whistle for dogs is an improved invention of the Englishman Francis Galton, who was still
Kharchenko antenna design
Double square antenna
Let's review the origins: biquadrat is considered a subspecies of frame antennas, which primarily belong to the zigzag family.
Weapons of the very distant future. Part 1. Gauss gun and railgun
Instructions The tractor cylinder is practically a ready-made barrel for a homemade salute gun. Make a cleaning rod. His
How to make an LED lamp correctly
DIY 220V LED lamp - assembly diagram
Purpose of drivers for LEDs The brightness of an LED lamp depends on 2 parameters: the current passing through
Bulls and calves :)
How to make a bottle tie from a napkin. DIY champagne for the bride and groom for their wedding (master class)
Our dear readers and authors, we want to ask for your forgiveness... On New Year's Eve
Hidden wiring detector
The simplest hidden wiring detector in a hurry When you plan to hang a picture or wall hanging
Holographic pyramid at home - education and science news on News4Smart.ru
Scientists were able to create three-dimensional holograms using a laser
Holographic pyramid - what is it? Myth or miracle of modern scientific thought? What
WiFi antennas for 2, 5, 10, 15 km and more - Ubiquiti
A good gift is one that is made with your own hands (provided they are sufficiently “straightforward”). Well
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