Electronics. Page 13

Finding a broken microwave oven at any landfill or flea market is by no means a problem. For homemade people, this device is simply a godsend, considering how many very useful things can be made from it. Below is a small TOP 7 interesting

Buy a new one or restore the old one? - This is usually the question asked by craftsmen whose rechargeable battery (battery) of a screwdriver has failed or has significantly lost capacity. If they say that it is better to restore it and use it

For soldering SMD components on boards, it is most convenient to use a hot air gun. If you have an old soldering iron, you can make it yourself by slightly modernizing the existing design. Usually this is done very roughly, hooking the mini compressor directly onto

Spring has already come into its own. A little more and the snow will melt, and barbecue season is just around the corner.Again the endless waving of a piece of cardboard over the coal, red watery eyes, singed beards and mustaches! Some amateurs find a way out of the situation;

SMD components of boards are so small that it is inconvenient to check them with ordinary multimeter probes. For this, a special tweezer probe is used. You can do it yourself.

Many radio amateurs use Li-ion batteries from outdated mobile phones, tablets, and MP3 players in their crafts. Such batteries already include a charging controller. Charging them is usually not very convenient, since there is no visual

To receive broadcasts from different sources, you need to connect a TV antenna designed for certain transmission conditions. Its development and production is accompanied by complex calculations. The proposed antenna can be adjusted, thanks to

The display backlight in a multimeter is a very necessary and useful thing. It is not always necessary to use the tester in well-lit places, quite the contrary. Although the backlight is LED, it consumes electricity from the battery, causing it to become more

The wires of multimeter probes break over time. As a result, they need to be replaced or repaired. Restoring probes is not at all difficult, and it is also fast and free.

If you have ever had the need to solder aluminum wires together or with a copper wire, then you know very well that you can’t just do it. Due to the instantaneous formation of a persistent oxide film, solder aluminum with conventional flux

Operating an FM receiver whose antenna is a meter-long piece of wire is not always convenient, and in some cases, sometimes impossible. To add comfort when listening to the radio, the author of the channel “Valery Samodelkin” shows

Most people have stopped using a lot of electronics due to the lack of a USB flash drive reading mode and Bluetooth connection. If you look at the Avito website, they sell a lot of similar electronics with powerful amplifiers and acoustic

An emergency flashlight with good light and a long operating time will be of great use to both the motorist and the average person at home. In a difficult situation in the absence of electricity, this homemade flashlight will be simply useful. Difference

Graphite brushes rub against the electric motor rotor commutator, so it gradually wears out and becomes covered with soot. As a result, the contact on the lamellas deteriorates and sparking appears. To remove it, as well as to carry out prevention, you need

As the angle grinder, and other power tools, wear out, sparking appears inside its body, which can be seen through the ventilation holes. If the problem is not corrected, the electric motor will quickly fail. Sparking can be eliminated by

A night vision device is an extremely interesting and useful device. With it you can look at anything in complete darkness. This device does not have a clever operating principle, although purchased models are by no means cheap. Night-vision device

For repairing cordless tools, car wiring and similar tasks, a DC multimeter is required. This device can be made with your own hands from inexpensive components from the radio market. This device can measure voltage

Hot-melt adhesive has been widely used for quite some time and has become almost indispensable both among DIYers and needlewomen, and in everyday life in general. It is easy to apply to surfaces, has good adhesion, comes in different colors, creates enough

In phone repair service centers, micro-USB connectors are replaced with a soldering hair dryer. This is the most suitable tool for this type of work. If you decide to replace it yourself, then most likely you only have a regular one.

A smart cell phone or smartphone combines much more advanced functions than you might guess. This microcomputer can be used as a measuring center; it can replace about 10 measuring instruments or more. That's just

To reduce the heat on your computer's CPU, you can switch from air to liquid cooling. Usually such an upgrade is accompanied by large costs. If you choose components wisely, then it is quite possible to assemble a budget mini system.

This life hack for desoldering multi-pin microcircuits and parts is distinguished by the fact that it does not require special equipment, or indeed scarce devices. All you need is a thick stranded wire or braid from a shielded cable.

This obstacle (proximity) sensor consists entirely of accessible parts, with a minimum number of them. It has high, adjustable sensitivity and is able to detect an object at a distance of up to 0.5 meters. May be useful for various

Let's start with the fact that it is simply impossible to test a multimeter at home without special equipment. But as always, the great and mighty AliExpress comes to the rescue. You can order on it for not very much money (about 400-500 rubles)