Overview of Russian schemes voltage converters with 12 V to 220 V

Overview of Russian schemes voltage converters with 12 V to 220 V (for the manufacture of their own hands)

Voltage converters from 12 V to 220 V interesting to anyone who travels a lot and spends a lot of time in the car. We have to be fed and to charge a laptop, PDA, wireless headset, cell phone, sometimes even need a car fridge (better, of course, at 12 volts, are sold). This converter can be connected to the cigarette lighter or the battery. Connect directly to the battery is as thin wires in the cigarette lighter, and a lot of power is consumed when charging.

Dog Repeller: review of schemes for making their own hands

Dog Repeller: review of schemes for making their own hands

Repeller dogs, affectionate and good friends of man, is not necessary, but make animal repeller aggressive and evil - a sacred thing. Well still find a working scheme, is not it?

Let us consider some schemes for those who work with their hands.

Driving dogs repeller on modern element base

 

Dog_Repeller_1

Modern electric fence

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Modern implementation of electric fences

Subject electroshepherd and electric fences for pets for several decades is relevant to anyone who is farming.

How to prevent mosquito bites - 4 ways

Simple ways to protect against mosquitoes

On the vast Russian expanses and wide Ukrainian plains of mosquitoes are innumerable. How to prevent mosquito bites? How to protect yourself from mosquito bites - tell Ukrainians and Russians.

The easiest way is to kill a mosquito. But it is so much - it is possible to beat from morning till night, but less mosquitoes will not.

On the Internet, this design of the mosquito trap is very popular:

Safe-trap-for-mosquitoes

Shredder feed their own hands

Shredder feed do with his own hands

Shredder grass, hay and straw for forage preparation is needed by all who are engaged in breeding poultry, rabbits, pigs or contain livestock or working in the garden. You can buy a commercial, but can help out and homemade chopper. Description of the shredder feed follows. All it can do with their hands out of scrap materials.

Basis chopper designs - a shaft length of 30 cm (12 mm rod) with a threaded 5 cm at one end.

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