Power supplies

Every car owner in the end is faced with problems associated with the battery. The battery power is not enough to start a car, but do not want to buy a new one? we

Everyone can be in a situation in which there is no way to charge a mobile phone in the usual way. In such situations, ordinary batteries can be of help

USB charging from normal charging from Nokia, if you are interested, here I encountered a problem charging a mobile phone a couple of days ago, as the original charging failed due to incomprehensible

Whoever has his own car has repeatedly encountered the problem of finding a source for charging the battery. It seems to be not problematic to buy it, but why, if charging can be done from

So what to do when you urgently need to charge the batteries, and there’s absolutely no time to go shopping, in search of a charger? There is an exit! Moreover, it is quite simple. You can make a homemade

One of the most important problems of a modern person having a smartphone is the constant discharge of the device’s battery. Especially for such cases, portable chargers are created that

The best gift is a handmade gift, and to make a beautiful frame or box we need a cutter or a nichrome jigsaw, which we will do right now.

On one of the amateur radio sites, I saw a circuit for charging portable Ni-Mn and Ni-Cd batteries with an operating voltage of 1.2-1.4 V from a USB port. With this device you can charge

Forgot your mobile adapter? Or there’s no power outlet nearby, but still urgently need to charge your smartphone? Let's make a USB power adapter that can be used everywhere!

A video lesson will tell you in detail how to make a simple DIY power supply. The power supply is an indispensable part in all household appliances.