Do it yourself - with your own hands. Page 362
Master classes:
Spilled coffee
This is how you can play a prank on your friends, acquaintances, and office colleagues. Imagine their shock when they see a mug of hot coffee spilled on their iPhone! Naturally, the coffee in it is not real, it’s not even a liquid, but they only find out later. . .
Drill for circuit boards
Many novice radio amateurs often experience problems with drilling printed circuit boards. To solve this problem, I can recommend making this device. This is nothing more than a homemade mini drill for circuit boards. . .
Shoe cleaning device
Autumn is slowly creeping up. . . What to expect from autumn? - Naturally rain, mud and slush. Here, first of all, naturally after you, your shoes suffer. She requires daily care. To make cleaning it easier, I will offer you
Removing flammable gas from water
The model is entirely based on Hillary Eldredge's patent, US 603,058 "Electrical Retort" introduced April 26, 1898. The combustible gas is produced by an electric arc produced by graphite rods immersed in distilled, potable, salt or
Potato chips
I just absolutely adore potato chips, sometimes I just can’t stop. In this regard, I want to offer you my own recipe for preparing this delicacy. . .
Laser installation with the effect of "liquid sky"
The theme of home disco is not new for our site. Today we will talk about another simple laser installation with the “liquid sky” effect.
Simple designer lamp
If any of you dreamed of a stylish lamp, then this wonderful, stylish, and most importantly simple lamp is for you. It will fill your room with even, unobtrusive light. Will create comfort and warmth of the atmosphere. And accordingly you will save
Miniature devices for taking exams
I think many people remember the famous film by Leonid Gaidai “Operation Y and other adventures of Shurik”, how they passed the synchrophasotron exams there. This is exactly what this collection of miniature devices for passing exams will be about.
Cheese joy
Dedicated to all cheese lovers. Grate the cheese, add a raw egg (150g cheese - 1 egg), stir, put on bread and in the oven for 10 minutes. Bon appetit!
Wheel lighting - LED neon
Anyone can make this awesome LED light for their bike with their own hands. There is no trick, and the result exceeds all expectations. . .
Key ring
This is such a cute, and most importantly simple, keychain that anyone can make. We will only need two different colored ropes. . .
Simple radiation detector
This is a simple sensor considering its sensitivity! I decided to use a small ionization chamber with a current amplifier built on a compound transistor as a sensor. This scheme works really well after 5-10 minutes,
The LED lights up from one battery
If you are at least a little familiar with electronics, then you know that an LED from one 1.5 volt battery will not light up. The LED does not have enough voltage. How then can you make a miniature flashlight using one battery? - Just . . .
Scrub bot - cleaning robot
As part of my efforts to make our lives easier through robots, I made an inexpensive cleaning bot. This advanced robot cleaner is great for polishing floors and shiny glass tables (as long as you apply a soapy solution).
Glowing Ice
Glowing ice does not melt, does not get cold, but glows. Video instructions for making such a glass with glowing ice.
We make the switch backlight
Sometimes it is difficult to find the switch in the dark. To make this work easier, I propose to build a backlight into it. We will need three radio components and a little time. . .
Control Panel for PC
When modding a computer, it is often necessary to control the built-in fans or the backlight of something. This is why we will make our control panel. . .
Positive garland
This is the kind of positive garland that comes out of an ordinary one. You should put in a minimum of effort and you will get a small miracle. . .
The second life of a Soviet camera
It’s no secret that Soviet optics were the best of their kind; even now enthusiasts attach old Soviet professional lenses to modern cameras. We will try to make it even more original and attach it to an old film camera
Simple DIY monitor backlight
Any ophthalmologist will tell you that working at a monitor in complete darkness is harmful to the eyes. For a long time, to avoid this, I worked with my desk lamp pointed at the wall. But at a certain moment it occurred to me that this is not economical and not
Peltier element aka thermoelectric module
I was prompted to write this article by the great interest of users in the design of a USB refrigerator assembled on a Peltier element. In this article I want to tell you in more detail about the use of this element in history, life and in practice.
DIY computer desk
Quite a simple and nice design of a computer desk. Yes, of course, compared to store-bought ones, it is much cheaper and the design, if anything, can be changed however you like, to suit any interior.
Control devices from a PC desktop or via the Internet
Any device, be it a lamp or a lamp, can be controlled remotely or from a computer desktop. We will need a bunch of radio components and software, which is in the article. . .