radio electronics

The 5 most popular 0-220 volt voltage regulator (RN) circuits with your own hands

4 ideas how to make an infrared soldering iron from a car cigarette lighter

The charger for any screwdriver and not only In this article we will consider

Transistor deep discharge battery protection circuit Deep discharge does not like any type of

Timer circuit for fan control (K561TL1, KT815) To accelerate odor removal, electric fans installed

Protection circuit for over- and undervoltage, overheating, short-circuit. The assembled device or circuit shown

Smart LED bulbs: what can the market offer? Saving electricity these days is a

Blogger makes a “USB-killer” of computers using improvised means Thomas Kim has shown how

Reinforced ultrasonic dog repeller. How to make Despite attempts by city administrations to solve

Regulator for soldering iron power with his own hands Many soldering irons are sold