Radio amateur tips

Three-level voltage indicator on LEDs scheme — the name is very frightening not experienced radio amateur, but nevertheless “the devil is not as bad as it is drawn”. You can learn how to quickly and easily assemble an elementary voltage indicator by reading our article. LED indicator: It should be noted that this is a …

A beginner amateur radio operator simply cannot do without at least a simple power supply. When developing or customizing a device, a regulated power supply is an indispensable attribute. But if you are a beginner amateur radio enthusiast and can not afford an expensive tricked-out power supply, then this article will help you fill your …

Every radio amateur faces the problem of not having the necessary amount of radio parts to store. And it can be quite expensive to buy special cassette holders. And at such moments comes to the aid of operational ingenuity, imagination, ingenuity and our site. Convenient cassette for radio parts can be made of any improvised …

If you love music, you love music speakers, the golden rule of any music lover. Everyone is his own director, the choice of quality speakers is a responsible and difficult thing. But as you understand, music speakers are part of the interior, and therefore it is not enough to ensure the quality of sound, you …

To create a pleasant atmosphere or just surprise someone with an original gift can everyone who wants, you just need to show ingenuity, resourcefulness to use useful ideas and be able to use improvised means. Here you will learn how to make a luminous flower with your own hands using disposable tablespoons and ordinary LEDs. …

Chinese lighters are quite easy to use, but this does not guarantee that they are durable. The circuit of Chinese lighter becomes a stumbling block for many radio amateurs trying to fix it. We don’t recommend you to bother much about it, it’s not worth it. Although, the Chinese lighter circuit itself is very interesting …

The information is informative in nature. It describes a simple and long known advice. You can use it, you can not use it, the main thing is that it should be known to you. Since wax has long been known to everyone, and has many target applications, amateur radio practice simply can not not use …

It is the 21st century and to store various kinds of small parts like fishing hooks, beads and other small things, the industry produces special plastic boxes of all sorts of modifications, sizes and purposes. However, there are other options for solving the problem of organized storage of all sorts of useful little things. One …

When making amateur radio designs, circuit boards and other amateur radio stuff, as a rule, many people use various kinds of chemicals. Starting from simple pine rosin, solder grease, flux, solder paste and ending with special acids. Despite the variety of cans in which all this chemistry is sold, there are some difficulties with the …

Even novice radio amateurs know that it is impossible to set up an electronic circuit without making at least rudimentary measurements. For such purposes, various measuring instruments are used, ranging from a simple voltmeter, ammeter, ohmmeter, frequency meter to an oscilloscope. Multimeter and feeler gauges: The most common measuring device used by radio amateurs is …