DIY do it yourself
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Master classes:

A simple electric generator.

The generator is very simple in the truest sense of the word. You can use it in wind generators, some other devices for generating electrical energy, or just watch the video and get acquainted with the operation of the electric generator.

The name of the track being played on the body

Surely you have repeatedly seen all kinds of LCD-panels on the front of the system unit, or maybe you already managed to get hold of your own. But real modders prefer a slightly more complex and interesting process - making an LCD screen with their own hands.

Solar battery

The solar battery is a device for converting the energy of the sun into electricity. The high performance solar panels you can buy at Radio Shack and other stores are made from specially treated silicon and require huge

About contactless power LEDs on the cooler blades

Once I read an article on about the contactless power of LEDs on the cooler blades and decided to make myself the same miracle of nature. In addition, the cooler is not just luminous, but with an advanced strobe effect. I recommend.

Folk art is a militant charger.

Without many words. All the details are visible in the photo. As the author wrote, this is charging for a cell phone from some crushed militant camp in Chechnya. Here it is, "folk art";)

Unusual flashlight.

Why did I call this flashlight unusual? - Yes, because its design includes only 4 components: a pack of cigarettes, a few coins, an LED and ordinary water. . .

Charger for car battery from computer power supply.

On this page I will tell you about how to remake the power supply of a personal computer with my own hands into a charger for car (and not only) batteries. The advantages include the fact that with this charger

How to cut a glass jar or bottle evenly

On this page I will tell you about how at home without the use of special equipment it is enough to evenly cut a glass jar or bottle.

Diffraction spectroscope

A spectroscope is a device that allows you to study the spectrum of light, by diluting its spectral components along a specific axis. Light can be divided into monochromatic waves either due to the phenomenon of dispersion, or due to diffraction. AT

Wind generator

This simple device can come in handy when fishing, camping, etc. places. With it, you can charge a mobile phone, mp3 player, flashlight, etc. Lightweight, compact wind generator will be your assistant. . .

3D glasses

On the Internet there are films, pictures and even games for viewing in 3D glasses. But where to get 3D glasses? Here you can not only build your 3D glasses, but also test them.

Jammer for the TV (Pig)

Sometimes it becomes necessary to make a big noise for the TV and radio range.For example, your wife watches "Do not be born beautiful," and you need to see the Champions League. For this purpose, use special devices - "Silencers" or popular

Metal detector from a radio and calculator.

As it turns out, quite unusual things can be made from quite ordinary things. For example, let's make a metal detector out of a radio receiver and a calculator. . .

Rainbow in a glass.

You can make such a cocktail at home. It is not difficult and quite real. It all depends on the density of the fluid and the order of its infusion. . .

Microscope without lenses.

Over its nearly 300-year history of development, the microscope has probably become one of the most popular optical devices widely used in all areas of human activity. It is especially difficult to overestimate its role in the education of students

We make a cooler for the hard drive.

A hard drive with a spindle speed of 5400 rpm should not. work with an electric heating pad. Moreover, due to proper ventilation, the temperature in the case did not exceed 39-40 degrees. There was a question about additional cooling of the hard drive.

Radio bug

I propose a simple radio microphone circuit with a range of up to 30 meters. The signal can be received on the radio (cell phone, player or on a regular, etc.) If everything is assembled correctly works without settings.

Water cooling system.

Another interesting variation on the topic of water cooling. This time in the external version with a large radiator, luminous fans and a blue tank for water. All this you can do with your own hands, spending less than a thousand rubles.

Antenna - Bi-Quad W-LAN Wi-Fi 2.4 GHz

Instructions for the manufacture of Bi-Quad W-LAN - antennas at 2.4 Ghz. For a reflector, a piece of foil textolite, getinax or just tin is suitable. The dimensions of the reflector are not very critical and can be slightly reduced if necessary. As

Make your HDD quiet.

HDD creates a lot of noise due to vibration and its transfer to the system unit case. This can be fixed and your PC will be quieter. . .

Antenna for 3G modem.

Antenna 3G USB modem: to increase the signal level and as a result of the stability of the connection and speed, you can use a simple, cost-free way.

A selection of simple and effective schemes.

The first scheme is the simplest multivibrator. Despite its simplicity, its scope is very wide. No electronic device can do without it. . .

Fighting flies (Velcro, and all that)

In nature, there are many different species of flies. However, indoor flies are most common. In rotting garbage, in rotten vegetables, in garbage, a fly lays up to 100 eggs at a time, of which larvae emerge in a few hours. Across

"Safe" mousetrap

From above onto crossed threads we lower the glass jar upside down. A mouse attacking the bait gnaws the thread, and the glass jar, held on the strings, will fall upon the rodent.
«Do it yourself - do it yourself"- a site of interesting homemade products made from improvised materials and objects at home. Step-by-step master classes with photos and descriptions, technologies, examples of work - all that a real master or just a craftsman needs for needlework. Crafts of any complexity, a large selection of directions and ideas for creativity.

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