Greetings, the inhabitants of our site! As you know, many home-made, as well as factory devices often do not have protection against improper inclusion of power polarity, in other words they do not have protection against
Read more
Hello, the inhabitants of our site! So in this article we will look at how to make a machine on bluetooth control. The role of the remote control will be a smartphone. I also attach links to some components. For
Read more
Nowadays, drones are very popular toys. In the market you can find professional flying drones and drones for amateurs. The master, the author of this article, has four drones (quadrocopters and
Read more
The idea of starting the engine with a start / stop button is not new, at first they were used on sports cars, now they are put on the conveyor on many modern cars. There are a lot of Chinese
Read more
Good day to all. I bring to your attention one of the many options for a laboratory power supply. This design is made according to the hybrid scheme (linear and impulse elements are used)
Read more
Greetings, the inhabitants of our site! Most radio amateurs when working with power sources, very often there is a need to measure the resistance of current shunts, both home-made and
Read more
To begin with, what is a Rubens pipe and how does it work. The Rubens Pipe is a physical experiment to demonstrate a standing wave. It is based on the connection between sound waves and air pressure.
Read more
Many people throw a printer out of the garbage without thinking twice.But if you disassemble the old faulty printer, you can get a lot of necessary parts for homemade products. Get out of printer
Read more
While working in an educational institution I was repeatedly faced with the problem of holding all kinds of intellectual games, such as “my own game” and “Brain ring”. Thus the idea came up to come up with a system for
Read more
It took charging for the car battery. After going through several options, I settled on reworking the computer's power supply. I decided to redo it in a simple way. The charger will not have adjustments,
Read more
Background: On shelves with spare parts for electronics, 3 different computer speakers were gathering dust, with split cases and torn wires, but the amplifier boards and speakers were working. First
Read more
If you see a person from whom the laser beams are beating, don’t be afraid, maybe he made himself the same jacket as the Master from New York. In turn, the idea of a laser jacket,
Read more
A master from Poland, loves to program and make various devices with his own hands. In this article, he will present the process of manufacturing a CNC machine as a working tool.
Read more
Hello everyone and have a nice day or evening. This time I will share the instructions for making a room clock with a thermometer. The watch computing center will be Attiny85, assembled on a board from Digispark.
Read more