Do it yourself - with your own hands. Page 365

Master classes:

Mini scales

This morning I came up with the idea to make a mini scale so that you can weigh from 1g. I started looking for various junk around the apartment from which I could make them.

Miniature soldering iron

We bring to your attention two miniature soldering irons, the most affordable to manufacture and meeting the requirements for the installation of miniature electronic products.

Making an eternal light bulb

How long does an incandescent light bulb last? No more than 1000 hours, and including car vibration (if it is in the car) even less! And you can’t compare it with an LED that has a service life of more than 100,000 hours!!! In general - replace and forget.

Rose from a napkin

Here's a great way to surprise a girl while sitting in a cafe. This is a wonderful and most importantly simple gift made with your own hands. . .

Building a house out of matches

Today we will learn how to make houses from matches. This is a very interesting technique for making a souvenir (or pyrotechnic device) from the cheapest material - matches. Moreover, you don’t need any glue or nails. Interested? Then

Anemometer

The task arose to assemble an anemometer for one project so that data could be taken on a computer via a USB interface. The article will focus more on the anemometer itself than on the system for processing data from it. . .

Hidden wiring detector

One of the simplest devices is a hidden wiring detector. It is simple, but can be indispensable for repairs. . .

Strobe light with police flashing effect

Disco strobe light with amazing police flasher effect! Compared to xenon, LED is more durable and unpretentious. It can also be used for cars. . .

Lava lamp

Lava lamps appeared in England in 1963. The invention belonged to the scientist Edward Cravan. The lava lamp was a tall glass vessel with a colored liquid in which glass balls floated.

Home and outdoor video surveillance system using a webcam.

Sitting at the computer in full creative process or playing a game, I was often distracted by my faithful dog with his barking, I had to tear my butt off my favorite chair, go out into the yard and see who was there. . .

We grow copper crystals.

No, we didn't make a mistake. Not copper sulfate—you’ve probably received these crystals more than once—but real metallic copper.

Gift bow

Isn't it true that any trinket with such a bow will become a real gift. . .

Has the economy lamp burned out?

Although, depending on the manufacturer, economy lamps have a warranty of up to 3 years.But consumers may be faced with the fact that the light bulb has burned out, and you do not have the packaging, purchase receipt, or the store has moved to another location, i.e.

The incandescent lamp will still serve!

Have you ever noticed that light bulbs have wonderful shapes, like little glass flowerpots? Here's what you can come up with using burnt out light bulbs:

Mayonnaise

How long do you think it takes to prepare mayonnaise? Hour? Two ?! NO ! 5 minutes is enough for us! All ingredients are available in almost every home. The result will exceed all your expectations! And it’s not worth talking about the economic effect - it

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 an electric generator.

Name of the track being played on the case

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

Solar battery

A solar battery is a device for converting solar energy into electricity. High performance solar panels, which you can buy at Radio Shack and other stores, are made from specially processed silicon and require

About contactless power supply of LEDs on cooler blades

One day I read an article about contactless power supply of LEDs on cooler blades and decided to make myself the same miracle of nature. In addition, the cooler turns out to be not just glowing, but with an advanced strobe effect. I recommend.

Folk art is a charger of action films.

Without many words. All details are visible in the photo. As the author wrote, this is a cell phone charger from some destroyed militant camp in Chechnya. This is what 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 plain water. . .

Charger for a car battery from a computer power supply.

On this page I will tell you how to convert a personal computer power supply into a charger for car (and other) batteries with your own hands. The advantages include the fact that with this charger

How to cut a glass jar or bottle straight

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

Diffraction spectroscope

A spectroscope is a device that allows you to study the spectrum of light by dividing its spectral components along a certain axis. Light can be divided into monochromatic waves either through the phenomenon of dispersion or diffraction. IN