AUTOMATIC PROTECTION OF ELECTRONIC CIRCUITS

AUTOMATIC PROTECTION OF ELECTRONIC CIRCUITSElectronic devices based on microprocessors and integrated circuits are less sensitive to the parameters of the supply voltage. To ensure the safe operation of these devices use voltage regulators with protection. In many power supplies is reduced to cut power to the circuit if a short circuit in it or a sudden increase in load current. Such, for example, the popular voltage stabilizers КР142ЕН5.

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WITH GUARANTEED ANGLE

Reground the blade plane for beginners is sheer torture. Not so just manually set the correct angle between the sand around and a piece of iron and withstand this angle throughout the sharpening process. Vladimir Voskresenskiy made for such cases a simple device for sharpening. To the T-shaped rack he welded the bushing and installed Read more…

BENDING MACHINE

BENDING MACHINEWhen the device watering system for garden plot or in the garden many problems arise when it is necessary to bend a metal tube. Meanwhile. not that hard to assemble a simple machine (see picture) for flexible aluminium, copper and thinwalled steel tubes with an outer diameter of 20 mm.

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SPRING IS… SAND

Before bending the steel pipe, it is necessary to fill calcined, sifted through a fine mesh sand, and the ends to drown out the wooden plugs. In the circle of carting the Moscow Palace of pioneers and pupils named after N. K. Krupskaya children very often had to bend the pipes for frames of go Read more…

ANTI-TANK “CARTS”

ANTI-TANK When developing a combat reconnaissance patrol vehicles (BRDM), the specialists of the design Bureau of the Gorky automobile plant in advance the possibility of creating on its basis a whole range of machines with unified mechanisms, machines and details. The main module was the unit of the power plant with the transmission. “Imposing” such a module housing of the original design was created and then various combat vehicles, including anti-tank missiles on the BRDM.

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SIX INDEPENDENT AND DRIVE

SIX INDEPENDENT AND DRIVEThe Rover, shown in the photo, the original was made in a caterpillar form, and then converted into a four-wheel drive wheel, which for many years is in operation. Each of the six wheels, the front pair of which is driven, has an independent suspension. Wheels — tyres low-pressure chambers wheels tractor truck with a longitudinal brace and the transverse belts of the conveyor belt.

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HOW TO EASE RIB

Modelers know how difficult it is to facilitate fine rib, without violating its strength. In the model airplane circled our House pioneers a way of cutting out successfully replaced the cutting. This causes the strength of the part and the work is done much faster. Hole punch tubes of different diameter, with the end sharpened Read more…