The rubric will be useful for both beginners and experienced radio amateurs. Here you will find original homemade products, tips on soldering, recommendations on the use of household chemicals in radio electronics.
Sooner or later every homemaker faces the fact that it is necessary to cut a piece of flat sheet material (it does not matter what kind). This task can be solved quickly and easily with the help of a homemade cutter. Cutter Advantage: Of course, you can just flatten the sheet material with a hacksaw …
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Many amateur radio designs use fuses or self-resetting fuses as fuses. In order to quickly and easily detect the failure of your fuse (protection tripping) you can use the fuse blown indication circuit, which is described in our article. A circuit where the indicator is an LED with three legs: The considered circuit of the …
Read more LED electronic fuse blown indicator circuit diagram
The inductance coil as a radio-electronic element is quite common. Sometimes not replaceable, for tuning many radio receivers and is used in many devices. It should be noted that exclusive things, sometimes do not get exclusive coils, so it is necessary to know not only the device coil inductance, and formulas for its calculation, but …
Read more Inductance coil by your own hands
It is quite natural that both a beginner and an experienced amateur radio operator face the problem of lack of a power supply. In the most primitive case, this problem can be solved by using a circuit with a quenching capacitor. In our article we consider the use of a reactive resistor to obtain the …
Read more A power supply unit with quench capacitor
This article presents an elementary circuit of a capacitance meter on a logic chip. Such a classic and elementary circuit solution can be reproduced quickly and easily enough. Therefore, this article will be useful for a beginner amateur radio operator who wants to build an elementary capacitor capacitance meter. Operation of a capacitance meter circuit: …
Read more Capacitor capacitance meter schematic
The application of various liquids onto printed circuit boards or other surfaces can be made much more convenient using special devices. Despite the wide range of industrial tools and equipment available, manual work is still irreplaceable. DIY Flux Dispenser Marker: An expired marker or felt-tip pen, which used to be refilled with ink and alcohol, …
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Is it really possible or not? In this epistolary piece of art, I will try to free you from doubts and guide you towards action. Such information will be useful for those who have decided not to overpay, have nothing to lose, or want to delve into the details. However, it will be most beneficial …
Read more Laptop Battery Repair and Soldering Batteries Instead of Spot Welding
The essence of the idea for this article is no longer new. However, despite the variety of modern ready-made organizers, cassette holders, jars, and other boxes for storing electronic components, this particular idea can be suitable for both beginners and experienced electronics enthusiasts or beadwork artists, as well as scrapbooking enthusiasts. The convenient cassette holder …
Read more Convenient storage of electronic components