YOUTH OLD GUITAR

Recently born, the guitar has managed to acquire its own history. At first it was a simple hybrid between a conventional housing with a wiring diagram. Then came the so-called “Board”: the whole guitar was a actually one exaggerated upper deck. “Board” has received the widest distribution in the world… and gradually disappointed many musicians.

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EMBED YOUR DIGITAL

BUILT ITS DIGITALUnfortunately, on vehicles of most episodes of “Zhiguli” are not put neither ammeters nor voltmeters, although sometimes there is an urgent need to monitor the battery condition. Produced by the same industry switches instrumentation is bulky and unsightly, and the price is commensurate with the price of parts developed by me homemade digital voltmeter that allows you to control the system voltage in the range of 10-16,3 V, accurate to 0.1 V.

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TECHPROGRAM RADIOPROTECAO

TECHPROGRAM RADIOPROTECAOPeople sometimes just have no time to twist knobs of the receiver to switch from one frequency to another. Here comes the advance settings of some of the most popular stations, pressed a button and listen to the desired program. In this mode you will be able to work any long-wave radio with a homemade console, designed for several fixed frequencies in the range of SV.

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INSTEAD OF THE PCB?

INSTEAD OF THE PCB?Development and manufacture of printed circuit boards for a single instance of a homemade device with a higher density of mounting becomes sometimes a problem even for the experienced radio Amateur. I have also found the opportunity to do without any preliminary layout of printed wiring conductors, and even without soldering electric and electronic circuits. I replace all of that… wrap.

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SPEAKERS IN A HURRY

COLUMN IN HASTEExisting acoustic system (as) furniture type mostly rather cumbersome and expensive. To use them when testing and setting the audio uncomfortable. And in ordinary surroundings while listening to the radio and music are often given preference more simple and accessible to speakers of small capacity, including homemade, produced from scrap materials.

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WHETHER “CYBER” TRANSLATOR?

WHETHER Units, tens, hundreds, thousands… This system of accounts, familiar with first class, it seems to us the simplest and most convenient. However, the decimal system is not the only possible one and not the universal. To write numbers in the binary system needs only two digits: 0 and 1. This is a big advantage system, binary compared to decimal. Thanks to her computers and cybernetic devices have their own language that was ideally suited for electronic circuits, relays, diodes, transistors.

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MALTESE FISH

In the aquarium automation now the dominance of the expensive import, processors, chips, complex equipment… But is it always justified the cost of purchasing the advertised aggressively in the domestic market by foreign devices? And isn’t it better to return to the simple and reliable Russian designs? Among them can be attributed to the proposed technical solution.

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