Power supplies

Driver - limiter for LED lamp

Even with the “preliminary design” - at the idea level, it was decided to move the power sources into a separate building. Generally speaking, there is a fair amount of sense in such a "volta", especially for the subject

Greetings to all reasonable! I decided to make a compact, universal memory + LPB, for my own needs, so to speak. The predecessor of the memory had to separately transport except himself

Greetings, the inhabitants of our site! Today we will talk about how to expand the capabilities of a conventional line filter or extension cord. The author of the video suggests a simple alteration (modernization) of the network

About five years ago, I purchased a Nikon Coolpix L320 camera that runs on four AA batteries. At first I used only alkaline batteries, but they were enough for

Hello, the inhabitants of our site! Today I will show you how I put together a powerbank with an on / off indication, the charging process and the charge level of the li-ion battery. As you know, almost everything sold offline and online

Good afternoon! Today I would like to show you how to make the cheapest and most compact powerbank with your own hands for emergency recharging of your smartphone. Such a powerbank is planned to be used.

Mobile phones, smartphones, tablets, digital cameras and other gadgets in our time (the "era of Internet addiction") make many people still attached to these boxes.Even being in nature

If you have an old computer power supply, then you can make a power supply out of it for various electrical needs. Let's see how such a power source made

Hello, the inhabitants of our site! Surely everyone knows about such a thing as Power Bank. Nowadays, it is simply necessary. And many already have it, and those who don’t have it probably want to buy it. Current

Recently I received a set of rechargeable nickel-metal hydride (NiMH) batteries for the Bosch 14.4V, 2.6Ah screwdriver. Batteries actually had a small capacity, although operated under load

The reason for this article was the appearance of two batteries for the Bosch NiMH 14.4V, 2.6Ah screwdriver. These batteries were replaced with new ones due to their refusal to work after two to three years

Hello. In this article I will describe you in detail and, perhaps, show you. How to make a mini laboratory power supply. A power supply is what you need to have in every home, because it is needed not only for charging

Hello everybody. I assembled contact welding. I am starting to assemble powerful charging stations of 10 batteries while they are without a case, I need to think of what to do. For assembling batteries, there are such plastic ones.