Do it yourself - with your own hands. Page 204

I won’t tell you now about the reasons why blood can get on your clothes; this can happen for various reasons. I want to tell you about a simple and cheap way to remove blood stains from the fabric of your clothes. This cleaning method

LEDs today are built into everything - into toys, lighters, household appliances and even office supplies. But the most useful invention with them is, of course, a flashlight. Most of them are autonomous and produce a powerful glow from small

Cleaning a room after renovation work brings back unpleasant memories for many. But in a workshop this is not at all easy to do. The daily accumulation of garbage makes it difficult to work and the desire to take on it, even if it is really necessary. How about this

Recently, an activity such as searching for various ancient coins, household items, and just metal trinkets in the ground using a metal detector has become very popular. In fact, what could be better than taking a walk in the morning?

Hello friends, today we’ll talk about a homemade metal detector. First, I found a circuit on the Internet based on the NE555P timer chip, but it seemed too complicated to me for those who do not understand the symbols on radio circuits, and even display it on

When creating various electronic devices, sooner or later the question arises of what to use as a power source for homemade electronics. Let's say you've assembled some kind of LED flasher, now you need it for something

Many things that seem unnecessary to us can actually be used in the household. You just have to set yourself the goal of realizing an incredible idea, and the solution may come on its own. And the resulting creation will forever be remembered for its exciting moments.

The excitement of the game attracts and fascinates millions of sports fans. Fans have long been accustomed to this phenomenon. During matches, loud sounds are heard every now and then, similar to some kind of wind instrument. It's simple

Circuits using microcontrollers are gaining quite a lot of popularity on the Internet.A microcontroller is a special chip that, in essence, is a small computer with its own input/output ports and memory.

Is it possible to germinate seeds for seedlings overnight? Quite! I really love growing seedlings and plants for my garden. And somehow I decided to search on the Internet how to germinate seeds in a quick way. At one of the foreign

Experiments on extracting precious metals from circuit boards, microcircuits, transistors and other radio components are no longer new, and they are hotly discussed on the Internet. Many people discovered talented chemists in themselves in this way, and some make good money.

Imagine that your faucet in the bathroom or kitchen is leaking, and you are not able to turn off the water. The cold water supply ball valve, which is placed at the beginning of your distribution from the house riser, does not close completely. Common situation?

It cannot be that there is a person who does not like lard. Most likely, he has not yet been able to taste the delicious baked lard prepared according to the old Slavic recipe. This dish is enjoyed as a snack at the holiday table,

Recently, compressors have gained popularity among tinkerers. They are made on the basis of almost any engine, calculating the power of the base unit depending on the number of consumers. In demand for home workshops

This is not a joke or a prank. The water pump we are talking about really does not require electricity, gasoline, or anything else. It does not draw energy from the ether and does not catch free energy. With all this, it is capable of raising a column of water

This is a fun, beautiful and entertaining chemistry experiment that can easily be repeated at home. All reagents are available in almost any kitchen, and if not, then they can definitely be bought at any grocery store.

Salted lard is considered by many modern nutritionists to be a healthy product if consumed in moderation. Many people buy a steamed product and salt it themselves. Sometimes it happens that the lard is either too thin and has a hard skin or piece

This invention is dedicated to all lovers of outdoor recreation. It can be called the crown of cultural cooking over a fire. Cook food for friends and family, enjoy the heady aromas of food from the fire, and even warm up from the blazing heat

This is my first master class in which I will show you how to make a beautiful night light with the effect of floating in the air. This lamp is very easy to assemble and does not contain expensive or scarce materials. A beautiful night light will perfectly decorate your bedroom or

As you know, metal is quite difficult to process at home without special skills and tools, especially if it is such a hard metal as steel.However, you can call on chemistry to help: there is such a chemical process -

Heating devices are used not only in residential but also in industrial premises. There are a great many modifications of them, because the conditions in workshops are usually not sophisticated. Therefore, they install everything that is available and economical - from

There are quite a lot of ways described on the Internet on how to etch a printed circuit board in a solution of ferric chloride or hydrogen peroxide with citric acid. At the same time, another method of etching is unfairly forgotten - in a solution of ammonium persulfate.

With the arrival of spring, the season for summer residents and gardeners begins. At this wonderful time there is no time for relaxation, because you need to have time to plant and grow seedlings in order to please yourself and your loved ones with homemade vegetables from your own garden. In order not to be disappointed in the fruits

Now on the Internet you can find a huge number of circuits of various amplifiers on microcircuits, mainly the TDA series. They have quite good characteristics, good efficiency and are not that expensive, which is why they use such