Power supplies

Once I got an old uninterruptible from a computer for parts. But I did not disassemble and dispose of it. I decided to make it a charger for car batteries, especially

Greetings, the inhabitants of our site! Today, together with Roman, the author of the YouTube channel “Open Frime TV”, we will assemble such a miniature power supply unit on the VIPER 22A chip. First of all, let's talk about

Greetings, the inhabitants of our site! Today we look at 3 simple charger circuits that can be used to charge a wide variety of batteries. The first 2 circuits operate in linear mode,

This article describes step-by-step instructions for creating a NiCd (ni-cad) battery charger. ** Warning ** Using the described method, you can only charge

This power supply will be useful for many things. For example, when it’s not possible to fit near a desktop power supply (or is not easy to do), such as testing a small

Greetings, the inhabitants of our site! If you are a radio amateur, then you probably tried to build a powerbank with your own hands, at least for sports interest. But more people do power banks

It is proposed to make a charger for the battery, with current stabilization, adjustable for current and voltage at the load. The range of application is extensive. One of the options for its use

There are several reasons to equip system units of personal computers with water cooling. One of the most important is to reduce or completely get rid of the noise of fans blowing radiators. For household

Greetings, the inhabitants of our site! Sometimes in amateur radio practice there is a period when you want to collect something to calm your nerves, something spiritual, warm and lamp. Nostalgia thing

Hello, dear readers and residents of our site! In this article, the author of the YouTube channel "The Wood Whisperer" will tell you how to upgrade the desktop to charge a mobile phone on it

To motorize his bike, using a DC motor with a gearbox, the author needed a battery for this project. Therefore, to make the battery pack, the author decided to use

Nowadays, we are increasingly surrounded by gadgets. My wife at work needed to charge about five phones. She uses an extension cord with five sockets. There’s not much space on the table, but there’s

In this article, we will look at how the Master made a 12-volt charger from components purchased on Ali. The parameters of the assembled charger are as follows: Power

Greetings, the inhabitants of our site! Today we will squeeze out half a kilowatt of pure power from this simple scheme: Attention! This material is intended for informational purposes only. The author is not