Interesting Articles 2024

Tesla coil on a single transistor or Brovin kacher

I present to you a very small Tesla coil on a single transistor or a Brovin kacher. In the Tesla coil, a very high alternating voltage of high frequency is supplied to the primary winding, and as the primary winding feeds the collector current of the transistor, it was Brovin who found out that with such a generator circuit, a high voltage appears on the collector and discovered a new way to control the transistor and called this device Kacher, which means a oscillator reactivity.

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Salted Mackerel in a Bottle

Freshly frozen fat mackerel in this recipe is salted in an innovative way, namely in a plastic bottle. Moreover, the brine is cooked onion peel and tea leaves, which gives the fish a golden color, very similar to the color of smoking. The appetite of this dish is just off scale. Mackerel salted in a narrow bottle does not require a lot of brine.

Original children's T-shirt

I really want the child to always look beautiful and original. Mikey is such a thing that quickly gets dirty and it is a pity to throw them after that. So I decided to patch up a small spot that we had on the shirt and at the same time make it original and very beautiful. What you need for this: T-shirt of any color.

Two simple barbecues from what was at hand

Very often empty barrels are used to make barbecues. If there is no way to get a propane cylinder, you can weld a barbecue frame made of metal sheets. If there is neither one nor the other available, then there is only one way out - to make a brazier from what is at hand. For example, you can follow the example of the author, who welded two simple braziers from corners and a profile pipe.

Simple sandblasting from an old fire extinguisher

If you are tired of cleaning metal with an electric drill or grinder, then why not try an alternative cleaning method - using sand? This method may seem a little "exotic" to someone, but it is quite effective. To quickly clean the metal of traces of rust, scale or old paint with sand, you will first need to make a simple sandblast.

Tool for welding pipes of different diameters

This homemade work is useful to everyone involved in welding work. Using this device, which is simple in terms of design, which can be made of available materials, it is very convenient to weld steel pipes of different diameters. Of the basic materials for its manufacture, you will need: a corner piece, a piece of pipe, two nuts, as well as four studs and four pieces of square bar of different sizes (that is, long and short).

DIY harvester

In late August, it is time to collect lingonberries. Both lovers of berries and pickers for sale will fall into the forests. In order not to linger in the taiga for longer than necessary and not to feed mosquitoes, a berry harvester will help you. To make such yourself, with your own hands, is not difficult. And again, there is some kind of savings - a similar combine harvester is not cheap in a store.

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An ingenious design key

In an attempt to make a universal key, the author of the video came to a truly ingenious decision. The tool turned out to be simple and easy, but for its creation it was necessary to try, for example, to use argon welding and precisely adjust the sizes of all parts. The donor of the craft was an ordinary large size open-end wrench.

Children's game "Learning colors"

The children's game "Learn Colors" is aimed at preschool children. It is aimed at the development of children's logic and memory. The name of the game indicates its essence. Six colored flowers are placed on the cardboard, the child needs to independently insert the middle of the flower of the same color. To make it, we need: 1.

Radio microphone - radio bug

This is perhaps the most popular simple and common radio bug or radio microphone circuit. A minimum of detail and a minimum of time is required to build this baby. Due to the use of a microphone from Chinese products, the sensitivity of this device is very high. This bug is not whimsical in manufacturing, not demanding on a power source.

LED daylight

Having decided to keep up with the times, and to save my money in the future, I decided to make some useful innovation. More precisely, to remodel lamps with fluorescent lamps into lamps with LED lamps. The service life is high, the savings are great, and the cost is not much more expensive. Of course, you can buy, but believe me, it's expensive to buy, compared with the version made.

How to make a cool DIY garden drill

Need to quickly dig holes in the garden for planting young trees? Or are you planning to install fence posts on a summer cottage? To make holes of the required depth and diameter in the soil, you can use a garden drill. This tool can be purchased at the store, but why spend money (especially overpay for Chinese "quality") when you can make this device yourself.

Stand with shelves for drawers with parts

For a perfect order to prevail in the workshop (pantry, garage), it is necessary to provide places for storing small parts - bolts, nuts, screws, bearings, fitting elements, etc. For these purposes, you can make a compact metal stand with shelves for drawers. The dimensions of the structure in each case are individual - the dimensions of the stand directly depend on the free area in the room.

Daddy for children's documents of the girl

As with any citizen of any country at birth, every girl in the first weeks of life acquires the first and responsible document, a certificate of her birth. Whatever happens in life, and no matter how fate turns in the future, this evidence is the most important document. According to it, upon reaching the age of 16, the child receives a passport, an individual tax number is now also assigned from birth, therefore, according to the certificate, it is also issued.

Phone in a metal case

I want to demonstrate my creation, if I may call it that. In the past it was a telephone, now it is also a full-fledged telephone, only slightly modified and fairly gaining weight ... The idea to make came spontaneously. For the manufacture of the case, I used 1.2 mm thick copper, although I did not find copper sheet and did not really want to search, so I had to straighten the copper pipes in the literal sense (water pipes).

How to make a 3D hologram using a smartphone and a plastic bottle

It’s worth it to independently verify the 3D hologram using a smartphone and a plastic bottle. To create a cone, we need a transparent PET or a box from a CD. Flat plastic is preferable because the picture will be sharper, but it will be more difficult to give the desired shape due to fragility.

Snowflake

This snowflake is much more beautiful than ordinary, cut just from a piece of paper, but it is made much more difficult. From the very beginning, I wanted to name my story not just a snowflake, but a snowflake from Oksana. The fact is that this method of making snowflakes was shown to me by one friend, or rather a work colleague, but changed his mind and left it as it is.

Convenient metal carrying handle for blocks

In this review, the author makes a convenient metal carrying handle with which you can carry blocks. Of course, it’s easier for someone to transfer blocks from one place to another manually. Someone does use a trolley for these purposes. But let's not forget that everyone can have different situations, so this homemade product has a right to life.

Wood and metal rasp from pendulum saw blades

For primary processing of metal and wood blanks, a rasp is used. This tool is a “relative” of the file, but has larger notches. In this review, the author shows how you can make a rasp with your own hands in a home workshop and garage. This will require cut strips of sheet metal, old saw blades for the pendulum saw and an aluminum profile of a U-shape.