Do it yourself - with your own hands. Page 130

This circuit is characterized by a clear switching threshold when the set voltage level is reached. This indicator is universal, has a potentiometer for setting a given value and can work with any battery in the range of 3-16 V.

You can make a very convenient chest for storing and carrying tools with your own hands from a piece of ordinary PVC pipe. An audit of our own reserves revealed the presence in the workshop of a similar piece with a diameter of 100 mm, which it was decided to put into use.

While repairing my car, I was faced with the need to protect body parts from rust, while the materials available to me were either expensive or not effective enough. After several days of searching, the question arose, what’s stopping me from cooking?

You can make a flashing light with the effect of “Running Lights” very simply without transistors, microcircuits and a board in a couple of tens of minutes. A very simple and uncomplicated scheme. Does not require configuration and works immediately after switching on. Alternatively, you can use

Away from cities where the power supply is unstable or non-existent, a small power generator is often needed. We'll tell you how to assemble it yourself. Such a device, of course, will be inferior to generators in all respects,

As you know, the root system of peppers (both sweet bell peppers and bitter capsicums) is very capricious. Seedlings do not like transplanting very much: after it it takes a long time to take root and they can get sick. You can sow the seeds immediately in separate containers so that you don’t have to

Making a powerful, blinding LED lamp for large and medium-sized living spaces with your own hands is very simple. All this became possible thanks to the appearance on the radio electronics market of powerful LED matrices with drivers built into them. Such a matrix

To lift heavy loads to great heights, you can make an electric winch from a windshield wiper drive gearmotor. It effectively handles loads up to 150 kg. It can be used for lifting building materials onto the roof, removing small

When buying this or that electronic device, we often opt for devices with a built-in rechargeable battery. Such a product has more advantages than the same one, but running on disposable batteries. Firstly, it is convenient -

Cheese chips are a great alternative to store-bought ones. Preparing them couldn’t be easier, the main thing is to choose the right type of cheese. It should not melt or spread much. It only takes a minute to grate the cheese and place it on the

Many mechanisms use a non-standard spring, which, if worn, cannot be replaced due to its unavailability. In this case, you can do it yourself, without wasting time looking for similar analogues that require trimming.

When performing plumbing and carpentry work, you cannot do without a vice. This is quite expensive equipment, the purchase of which is impractical for a small home workshop. In order not to spend money on factory vices, you can make them your own

The nibbler attachment on your drill, also known as the “cricket”, is very effective for cutting sheet metal and performing shape cuts. However, it is not possible to work with it with high precision on small parts. To take advantage of opportunities

Welding turned round welded hinges for gates and steel doors has some specifics.If they are fixed skewed, the gate or door leaf will not be able to be removed, it will creak and open poorly. To avoid this,

It is inconvenient to heat small outbuildings: it makes no sense to install a full-scale system, and installing a standard heating device is ineffective. But you can make a very simple design with your own hands, with high efficiency.

An instant heating soldering iron is suitable for working with small parts and alloys. When using this device, time and energy costs for soldering are saved. The soldering iron is ready for use immediately after switching on. The flexible tip can be bent as much as possible

If you suddenly need a loud siren for your homemade alarm system, then it can be very easily made from any available dynamic head. You don’t need any circuits or transistors, just the speaker itself, a pair of wires,

Using this instruction, you can change the output voltage of almost any switching power supply, not just the one from a laptop. They all almost work on the same principle and the scheme is not very different. For example, if you have

Fried mushrooms are very tasty, and if they are also crispy breaded, then even more so. These mushrooms are good as a hot appetizer or as an addition to a side dish. In any case, these mushrooms will not leave anyone indifferent.And to prepare them all you need is

This ham recipe is quite simple, but it requires strict adherence to cooking temperatures, otherwise you can get broth swelling, in simple words, the end result will be a meatball.

Lithium-ion batteries with a voltage of 3.7 V are not used anywhere now. Do-it-yourselfers especially often use them wherever possible. Such batteries are good for everyone, but have a number of disadvantages, one of which is that if

To convert a bicycle into an electric bicycle, special kits with a motor-wheel are sold. This is a decent budget solution, but it does not allow you to achieve normal movement speed. The wheel motor on a flat road allows you to accelerate to a maximum of

It is inconvenient to perform the same type of work processing many identical parts in a vice. Their screws take a long time to tighten and unscrew, which wastes time. To clamp and remove workpieces faster, you can use homemade

Experienced aquarists know well that if an air compressor is placed below the water level, it will sooner or later flood. A simple device called a check valve allows you to avoid such an extremely negative development of events. Make