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Next video: ★ Делюсь Скрытыми Тайнами Электронных Схем ✔ Дмитрий Компанец

★ Делюсь Скрытыми Тайнами Электронных Схем ✔ Дмитрий Компанец

★ Делюсь Скрытыми Тайнами Электронных Схем ✔ Дмитрий Компанец

Channel: Дмитрий Компанец

Компанец Дмитрий

удивительная самоделка

очень простая схема

самые интересные схемы для пайки

невероятно простая схема

электрические схемы

простая электроника

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It's great, girls and cottonseeds, now in the

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summer, mosquitoes are overwhelming and I decided to

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make an anti-mosquito squeaker, but

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one that would work from a small

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AA battery. Of course, there are

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these speakers that can squeak themselves.

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But this is an ordinary speaker in

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which there are no transistors and

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no microcircuits. If you want, I’ll show you what it

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has. it is located inside If we disassemble

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such a speaker, we will see that

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it consists of an ordinary steel membrane of a

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magnet and electromagnetically inside. That is,

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if we make a generator with a purity

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thinner than mosquito sand, then this

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speaker will emit the same sound

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that repels mosquitoes, everything will be

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simple, but how to do this

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on the Internet is full of circuits on microcircuits and

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piezode tweeters, I suggest

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using these cheaper and

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less standard options, in

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order to make it sound

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you will need a couple of transistors, but

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before you solder them I would

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recommend giving such transistors

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some a rather interesting

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configuration of its terminals, it

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would be best if you bend the legs of the transistor in

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this way. Pay attention

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and at the same time Read the markings of

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the transistor,

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a couple of transistors of different types of

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conductivity, ordinary bipolar ones. I

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think everyone has one. So

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we have two transistors, we have legs

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configured for them, which would not hurt

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take a look at the circuit, in my case the circuit

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consists of a couple of resistors, two

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transistors of one capacitor and of

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course the same tweeter that we

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are going to make sound; we select the

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details. It may not be at face value, it all depends

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on what kind of power you will have and

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what voltage you will use to

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power this circuit Please note

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that instead of one of the resistors I will

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use a choke so it will be more convenient,

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reliable and simpler so that it will be

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more convenient for you to assemble such a circuit. I

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recommend drawing some such

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drawing. My electrical drawings

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for this type of transistors look

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exactly like this here I have a

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micro speaker here the capacitor here is

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a resistor And here is the ammic

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resistance I put it on the inductor

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transistors, as I already told you, you had to

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straighten the legs and it will be convenient to

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solder in just this way. Well, let's

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start soldering, try not to

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confuse the brands of transistors and then

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everything will work out simply for you It’s great that

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you can clamp two transistors at once into a

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third hand like mine and, using a

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hot and clean soldering iron, solder their

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leads by connecting them together. Such a chic

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blank will help us in the future to very

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easily hang a variety of parts on it.

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But for now, let’s start

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soldering its capacitor it will be convenient to

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solder these two terminals. Moreover,

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I selected a capacitor of just the right

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size so that it would be convenient to solder.

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And of course, the capacitance of this capacitor plays an important role.

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The sound of your device will depend on the capacitance. Let’s

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check the circuit. Yes,

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indeed, the capacitor should be

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soldered to the base of the

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57 transistor and for the collector of 82

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transistors,

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do not spare solder and rosin to

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carefully solder the terminals of the capacitor to the

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terminals of the transistors

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to the base of the 57 transistor where it is

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connected to the capacitor, solder a

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resistor with a nominal value of 160 kOhm. But this is exactly

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for my case, as I determined such a

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resistor. Now I’ll tell you in a little more

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detail before solder a

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resistance of a constant value into the circuit, I

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first soldered the circuit with this variable

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resistor, with its help I determined what

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resistance is optimal for the operation of my

00:03:55

circuit, selecting the required resistance,

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moving the handle, I measured this

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resistance with an ammeter and selected the required

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constant resistor to the operating point of my

00:04:06

circuit And this is the collector of the transistor 82 I

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solder a micro speaker

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right in the place where the collector of the

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transistor is connected to the capacitor

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of the transistor I solder a small

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choke that will simultaneously serve as a

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low-ohm resistance and at the same time

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serve as a filter so that the

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high-frequency signal does not pass to the

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power source and to the battery Although this is

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not necessarily possible it was possible to get by with

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just a low-grade resistance

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in my circuit, the choke is used instead of a

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low-grade resistance, the

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second terminal of the resistor should go

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to the minus of the power supply, or to the emitter of

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transistor 82, I bend the leads so

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that the resistor terminal touches the

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emitter of transistor 82 and solder everything

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together

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exactly in this place. The minus will be supplied

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power supply

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now with a small piece of wire I

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connect the inductor to the speaker output

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this point will go to plus power supply to the

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battery

00:05:25

our device is completely ready I

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added a couple of wires to make it

00:05:30

convenient to connect the battery you can

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start testing and here is

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a little advice for you If you collect everything according to

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the nominal values it is possible your ear will not catch

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the subtle sound that will come from here

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and therefore for testing I

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recommend

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connecting one small

00:05:48

capacitor in parallel with this capacitor of approximately the same capacity then the

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sound will become lower frequency and you will

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know for sure whether your circuit works or

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not Let's do this together with you

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right now parallel

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I connect the capacitor directly to its terminals with connectors

00:06:04

that will make it easy to connect an

00:06:06

additional capacitor with an

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additional capacitor the circuit

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becomes more bassy

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and now we will turn it off

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with a standard capacitor the circuit beeps at the

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level of a mosquito squeak,

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perhaps your camera or phone does not

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transmit this thin squeak but it completely

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imitates the squeak of a mosquito and can protect

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you from the bites of blood-sucking insects,

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I tried to bring the device closer to the

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microphone of my camera and perhaps

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you will hear this sound on your phone.

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By the way, I’ll share another

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life hack; it’s

00:07:01

not at all necessary to solder such a

00:07:03

device to scare mosquitoes with

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some ultrasonic squeak for you

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All you have to do now is turn on

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the sound recording of your phone and record

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this squeak so that you can play it later in the

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mosquito swamps. Record,

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set the scroll to cyclic and your

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mosquitoes will say thank you to me as they die

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or fly away from you, this is

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such a simple funny and maybe even

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very useful device we

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built by you today And that’s all for now

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Dima was with you from the Far East from the

00:07:45

city of Vladivostok

Description:

#КиберЗащитаОтКомаров Деревенский умелец показал что делает "ФИГНЯ" оказалась Хитрость. Генератор ЭЛЕКТРИЧЕСТВА из Счетчика для Воды https://dzen.ru/a/Y_6KElCcngo2Xugj?share_to=link Это не прикол это реальная идея. Такой я не встречал раньше! https://dzen.ru/video/watch/63fe978073bde3060b9ab490 Водопроводный Генератор ЭЛЕКТРИЧЕСТВА из Счетчика для Воды https://dzen.ru/video/watch/63fe978073bde3060b9ab490?share_to=link https://t.me/DimoniKA_Vladivostok https://boosty.to/vostokdimak https://dzen.ru/dima Для тех кому нужны подробности (бываю там редко) https://t.me/DimoniKA_Vladivostok https://dzen.ru/dima https://vk.com/id26168899 https://ok.ru/profile/570092326202/ https://rutube.ru/channel/25012926/ https://www.facebook.com/unsupportedbrowser

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