Do it yourself - with your own hands. Page 367
Master classes:
Leather case for player
It turns out that making a stylish leather case for your player yourself is not so difficult. We will need: 1. A little leather, the thicker the better 2. Thick cardboard or plywood 4. An awl 5. A blunt metal object 6. Water 7. A sharp knife.
Ultrasonic washing machine
An ultrasonic washing machine is designed for washing clothes using sound vibrations created in the detergent solution, the frequency of which is close to ultrasonic. The peculiarity of USM is that there is no mechanical friction during washing.
Microphone for Skype.
When communicating via Skype or other IP telephony, three main input/output devices are required: speaker systems or speakers, a webcam, and a microphone. Almost every PC user has speakers; you can do without a webcam, but here’s where
Crossbow from stationery
Do you know how office workers have fun?! :-) Interesting video how you can make quite a serious weapon from paper clips, rubber bands, a pencil and a laser pointer, which can even hurt you.
Balloon or aircraft
Typically, such balloons fly very high and are carried away by the air flow for several kilometers. For Halloween, you can paint a face on the ball with black paint. When launched in the dark, such a ghost aircraft will be very impressive
Drill machine
A practical and very simple machine based on an electric drill. It is designed for processing wood and plastics: it allows you to cut bars, boards, plywood, plexiglass and textolite, saw slats and shaped strips, mill grooves, turn wooden
Electrophore machine made from CD
An electrophore machine assembled from CDs and 2 coolers. Produces about 20,000 Volts, which is limited by the distance of the gaps between the plates of the disk capacitors. Photos and description of assembly. Easily repeatable device.
4 designs from a CD can
Do YOU know what you can make from an empty CD can? If not, then watch. . .
If you don't know how to cheat on an exam, watch this!
Here I will offer you one of the ways to cheat on an exam or test. Video instruction.
DIY USB refrigerator
This small refrigerator will be a great help in the summer heat. He will be with you anywhere - at home and at work. . . .
Making hydrochloric acid at home
Although the sale of hydrochloric acid is limited and can be difficult to buy at retail, anyone can easily make it from polyvinyl chloride, one of the most common plastics. PVC is used to make wire sheaths, toys, and many household items.
How to make a robot arm for animatronics.
To create a robot arm, you use a piece of corrugated plastic tubing, a CD case, twine, glue and duct tape. The manipulator itself is strong enough to hold, for example, a bottle or a cell phone.
Phone for Skype from a broken mobile phone
Nowadays, everyone probably has a broken cell phone lying around at home. What to do with it - it’s a shame to throw it away, taking it to the radio market is like throwing it away, at best they’ll give you 10 dollars for it, let’s give it a second life and make it a phone for
Magic marker
Video instructions - how to make a marker, or any other felt-tip pen, vibrate when you bring your hand to it.
IR receiver for computer.
WinLIRC allows you to control Windows applications using almost any remote control for a VCR or TV. To get the dubious pleasure of using the remote control, you will have to assemble a small circuit.
How to put a boat in a light bulb
Today I will tell you how to put a boat in a light bulb. Fun homemade product Video instructions.
Almost free energy in your home!
Many people know about the existence of voltage in telephone wires (about 60 volts), but few have thought of using it for their own purposes. After all, this energy is free! You can, for example, power a desk lamp.Maybe someone is the smartest
Lamp - without electricity. . .
A very interesting trick - light a lamp in your hands without electricity. Here we will make a lamp that works by touch. . .
Secret in a bottle.
Video instructions on how to make a hiding place in a bottle. You can hide valuables and money in it without fear that someone will find them.
Primitive electric motor
To build an electric motor you only need a few things. 1. Battery (or any other small source of energy) 2. roll of wire 3. electrical tape 4. 2 pins or paper clips (you can use other objects or make holders from
To replace incandescent lamps. . .
Converting a regular light bulb into an LED light bulb. The photo shows examples of manufactured holders for LEDs. Using this technology, it is possible to produce a holder of any shape for LEDs of various sizes and with any number of them.
Glasses with a hidden camera.
Video instructions on how to make glasses with a hidden camera.
Making a microscope from a webcam
Making a super simple microscope from a webcam with a magnification of 1000!