DIY do it yourself
Master classes, instructions, useful tips, recipes.
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Master classes:

Reciprocating saw from a drill - it is possible!

Imagine that you need to saw off a wooden block, but there are no hacksaws at hand. Favorite jigsaw on another object or even broken, and the workflow does not suffer delay. The situation is familiar to many, is not it? Most masters

100W TDA7294 Simple Amplifier

There are a lot of varieties of budget amplifiers and this is one of them. The circuit is very simple and contains only one chip, several resistors and capacitors. The characteristics of the amplifier are quite serious, with so little

Wireless LED

I will show you a way to make the LED glow without connecting wires to it. For this, it will be necessary to assemble a simple device on one transistor. And you can play friends by showing them your magical abilities.

The device for loosening the lids on the banks

Everyone uses canned goods today. Their modern version is a glass jar, closed with a tin-lid twist-off. Everyone who has ever opened such canned food knows that it is not easy to do it manually. It's all the fault of the small edges protruding from the back

Automatic lighting in the cabinets

I propose to make a really useful homemade work - the illumination of the kitchen cabinet. Just imagine, you open the cutlery drawer and the light comes on. It is very beautiful and unusual. Such lighting can be equipped with any place, whether

Prefix regulator to the power supply unit

This is a good and low-cost way to make an adjustable power supply without much cost and effort. For example, I have a good power supply unit for 12 V and 2 A. I will assemble a prefix for it, with which it will be possible to adjust the voltage

Night Vision Camera

Everyone today knows about night vision devices. In films, they are often used by superheroes to attack the enemy at night. Someone uses them as sights for night hunting. And some just like filming in the dark. how

PVC pipe compressor

A compressor with a receiver made of PVC pipe - it is really possible! Surely none of the masters will argue that the compressor in the workshop is simply irreplaceable. For these devices today there are many available tools. Yes, and economically he

Simple camping smokehouse from the pan

Personally, I made a miniature smokehouse for cooking fish on fishing. Of course, a slave can be cooked at the stake, but you can make a real delicacy out of it only with the help of this simple design.

The simplest invert without transistors

You need only two components to assemble a simple inverter that converts DC 12 V to 220 V AC. Absolutely no expensive or scarce items or parts. Everything can be collected in 5 minutes! You don’t even need to solder! Twisted

Radiator for low power transistors

Over many years of amateur radio activity, I have come across different situations. For example, you need a slightly more powerful transistor than is available.The way out of this situation is not very difficult. It is enough to add a radiator to such a transistor and

Mini electric heater 12v 80w

In this workshop I will show how to make a small electric heater that runs on 12 volts and consumes 80 watts of power. It gives a nice warm breeze which is quite enough to warm your hands. The mini heater is very

Do it yourself do-it-yourself saw

For lovers of tinkering, the miter saw is one of the most popular and required tools. Replacing the primitive miter box, it quickly gained popularity in small workshops and in large-scale production. Advantage of this tool in

Simple door alarm

The simplest alarm system will notify you of the unexpected intrusion of an unexpected guest into your territory. It is installed on the door and is triggered when it is opened. You will need only a couple of elements and the door alarm is ready.

Board Drill

To make devices for drilling boards, I do not use purchased cartridges and other parts is very simple. I have drilled more than one hundred holes in home-made circuit boards with such a drill from a motor in my time. Time spent making this

Fanless fan

With the onset of heat, we recall the fans, the simplest and most accessible human inventions for air freshening. The classic design of the fan consists of an engine, on the shaft of which an impeller with many blades is fixed. During

Greenhouse from old windows

Now everyone is trying to keep up to date and is gradually changing in their homes old wooden windows to new plastic ones. Many do not wonder what to do with old windows and just throw them away, but there are those that are still being asked. And I can

How to make a sandblast installation

For most, the term - sandblasting - is primarily associated with production. Many people know that sandblasting cleans fresh cast iron billets from scale and slag. Maybe someone saw them brushing rust or old paint with

DIY Power Bank

In everyday time, people often use gadgets (smartphones, tablets, etc.), but when going somewhere on the road, we constantly need to charge our phone. This problem will be solved by Power Bank which can be manufactured in an hour and a half from the available

How to make a twisted wire from straight

How annoying are the charger wires, which are always tangled up. It is necessary to charge the phone and put the wire in the bedside table, the next time the surprise is ready - the wire is tangled. I will show how to avoid it and make it from a regular straight wire - wire

Simple PWM controller on NE555

With the analog integrated timer SE555 / NE555 (КР1006), manufactured by Signetics Corporation since the distant 1971, most Soviet and foreign radio amateurs are perfectly familiar. It’s hard to list for what purposes not

Mini circular saw

We welcome all visitors to our site! More recently, information on some devices, such as home-made machines, etc. has appeared on our Internet resource. Today we’ll talk about another effective device - a hand-held circular saw!

Thief protection with a simple electronic key

When you need to protect an object, people come up with different methods of protection. They put padlocks, put code locks, put howlers. I decided to make my contribution to such devices. More precisely, I came up with an actuator. They, in turn, can include

How to make a 220 V generator using a 2-stroke engine

Today, stand-alone technologies are becoming increasingly interesting.And this is no accident, because for lovers of travel and leisure outside the city this is a real find, and sometimes salvation. The popularity of such gadgets is also that they can be made if not from
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«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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