Power supplies

When working with electronics, you often need a power supply and a "third hand". The master decided to combine these two tools in one case. The power supply has adjustable voltage and current,

Many friends use computer PSUs as laboratory ones. Sometimes with alteration to smooth adjustment, sometimes without it. In the second case, opening the PSU is not required, but a set of voltages

Greetings, the inhabitants of our site! The laboratory power supply is one of the main devices of the amateur radio laboratory. Today we will collect and check an interesting diagram. The option given in this article

The Inktables websitemaster under the nickname bekathwia recalled how sometime after Hurricane Sandy, her home was left without electricity. There were no power banks then, and for charging phones it

Greetings, the inhabitants of our site! As you know, a transformer is the main element of any power source. Novice hams quite often ask the question: how to make the winding

Recently, I was rightly noticed at the forum that I criticize everything, but I did not publish anything, not a single homemade product. Well, I am correcting myself and talking about some of my homemade products, from those that are made

And again, I am pleased to welcome you, Dear master friends! Today, I want to talk with you about old and seemingly useless dusting in the corner of an apartment or garage, components

The author of Instructables under the nickname mahesh_jo does not part with the Canon SX 540HS digital camera, which is powered by a NB-6L battery. Designated for this battery, type CB-2LYE

Hello, dear readers and residents of our site! Portable battery chargers (Powerbank) have long been included in everyday life. In this article, the author of the YouTube channel "KJDOT"

Greetings, the inhabitants of our site! In this article we will consider the process of self-production of an adjustable power supply, but not with two degrees of reduction, but with one. The author of this homemade

Hello, dear readers and residents of our site! Surely many of you have devices that use 3.7 V batteries to power, but do not have a built-in charger. IN

Greetings, the inhabitants of our site! From this manual you will learn how to assemble a switching power supply with your own hands, which can be used for almost any task. The author of this homemade product is

In this article, the Wizard will tell us how to make a stylish organizer for any clerical and not only small things, and build a charger for gadgets in it. Lower massive part

Although there are ways to power circuits on operational amplifiers with unipolar voltage, a bipolar power supply gives better results. You can immediately make a bipolar BP, or you can, as