Do it yourself - with your own hands. Page 208

Who would have thought that a simple inverter could be made without the use of transistors and complex circuits. Last time I showed how to make an inverter without transistors on a relay. As it turns out, this is not the only way to build an inverter. I'll show you how

Now a lot of digital equipment is breaking down, computers, printers, scanners. Time is like this - the old is replaced by the new. But equipment that has failed can still serve, although not all of it, but certain parts of it for sure. For example, in printers and

A miter box or electric miter box is often used by craftsmen to speed up the process of cutting various parts. It was chosen not only by large productions, but also by private workshops. After all, they can easily and quickly saw off almost any chassis

A simple mobile table - a workbench that you can make for your workshop or garage.It does not require scarce materials; it is made of wood without any welding. Thanks to the use of wheels, it can be easily moved to any place. For

A useful homemade product that will definitely come in handy almost anywhere where there is a USB: At home for lighting: you can connect it to either a computer or a laptop. When hiking, fishing or hunting: you can connect to an external battery (power

The band saw is used for cutting wood products, plywood, fiberboard and MDF. There are its varieties that are capable of dissolving logs into boards. A professional band saw is most often used in large and medium-sized industries, where

Hello friends. Today I will tell you how to make a small power amplifier using the tda2822m chip. Here is the circuit that I found in the datasheet of the chip. We will make a stereo amplifier, that is, there will be two speakers - right and left channels.

Agree, it is very convenient when there is a USB socket for charging gadgets next to a regular outlet. There is no need to charge the main outlet. Nowadays, almost all portable equipment is charged from USB ports and this is a big plus, since there is no need

How to charge a cell phone using a candle? It’s very simple - for this you can assemble a simple thermal power plant from just a few very affordable elements.This little thing is pretty cool, you can take it with you on a hike or fishing trip.

A hacksaw is one of the most important tools on the farm. You often need to saw off, trim or shorten something, but you don’t always have a hacksaw at hand. Today's homemade product is a kind of power tool,

Wired connections via twisted pair to home computer networks are still relevant. This cable can be used to connect a router, router and any number of computers in your home. The connection with this cable occurs through an RJ45 connector.

This master class will be a little controversial and will cause more than one disparate opinion. I want to share how to make a powerful rectifier from a microwave oven transformer - a power supply for the voltage I need. Very often microwaves

The history of hydropower begins with a simple water wheel, which our ancestors came up with the idea of ​​installing on the rapids of a river. At first it was used for the mill, thereby facilitating the work of the millstones. Later people learned to use force

Candles have long been part of our everyday life, not only as sources of light, but also as beautiful decor or gifts. We offer you a master class on making an unusual openwork candle - a watermelon slice.

Every beekeeper is faced with the procedure for processing wax raw materials. This is done in order to obtain pure wax, which can later be exchanged for foundation. To process wax raw materials, you can make a wax refiner.

Another simple way to boost the signal of your Wi-Fi router, laptop or computer without spending a penny. The story will be about how to make an attachment for an existing router antenna with your own hands, with the help of which you can

This is one of the simplest, safest and most effective ways to remove rust from the surface of old steel tools. The difference between this method is that to restore the metal surface you will not need any scarce reagents or

There are various instructions on the Internet for turning an old (sometimes partially non-working) TV into a widescreen oscilloscope. This article will also tell you how to create a decent electronic device using a simple modification of the general

Clean energy derived from natural resources is one of the most popular topics today. Imagine that you have a generator at your dacha or country house that supplies all the resources of your household with free electricity. This

This is 100% working and the simplest way to increase the Wi-Fi signal reception radius.Its essence is to add a reflector to the existing antenna, which will concentrate the signal in one direction, like a reflector in

Most radio amateurs, including me, have encountered the problem of leaving a multimeter turned on for a while and forgetting about it, which ultimately leads to frequent replacement of the crown due to low discharge. In this case, solve this

A simple adapter from a light bulb socket to a socket can be useful in public areas where there are no permanent outlets for connecting electrical appliances, but only lamps with light bulbs. This could be your entrance, basement, etc.

Nature has created everything that a person needs for health and beauty. Previously, women knew the benefits of each plant and successfully used its abilities. Today, store shelves are simply overflowing with cosmetics. This makes it possible to select

Imagine that you need to saw off a block of wood, but you don’t have a hacksaw at hand. Your favorite jigsaw is on another site or has broken down altogether, but the work process cannot be delayed. The situation is familiar to many, isn’t it? Most masters