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3 ПРОСТЫХ ЗАБАВНЫХ СХЕМЫ Для начинающих!
Панорамы Владивостока
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Диммеры Регуляторы Сигнализаторы - что то давно мы просто не паяли паяльником =) Ну так за дело - разбираем старые макеты , проверяем транзистор на исправность и Вперед с дымком от канифоли и каплями олова на проводах....ах....!

Heat and fire alarm without any sensor using one neon light bulb.
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In this video, I m going to make heat sensor without using any sensor using only one neon light bulb.
If you have any questions ask us in comment.
https://youtu.be/JnhXlOtXb9c

#LIKE #SUBSCRIBE #SHARE

✅ How To Make Speed Motor Controller Wery Simple
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PWM Speed Control for DC Motor
Speed of a DC motor can be controlled by various ways, like flux control method, armature control, voltage.
In this tutorial, I have controlled its speed as well by providing different voltage levels.
The Principle of Speed Control. From the above figure, the voltage equation of a simple DC motor is V = Eb + IaRa V is the supplied voltage, Eb is the back EMF, Ia is the armature current, and Ra is the armature resistance. We already know that Eb = (PøNZ)/60A. P – number of poles, A – constant Z – number of conductors N- speed of the motor Substituting the value of Eb in the voltage equation, we get V = ((PøNZ)/60A) + IaRa Or, V – IaRa = (PøNZ)/60A i.e., N = (PZ/60A) (V – IaRa)/ ø The above equation can also be written as: N = K (V –. IaRa)/ ø, K is a constant.

How To Make Light Сontrol on one Тtransistor.
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How To Make Dimmer (Light Сontrol) on one Тtransistor.
Smoother lighting control are devices connected to a light fixture and used to lower the brightness of light. By changing the voltage waveform applied to the lamp, it is possible to lower the intensity of the light output. Although variable-voltage devices are used for various purposes, the term dimmer is generally reserved for those intended to control light output from resistive incandescent, halogen, and (more recently) compact fluorescent lights (CFLs) and light-emitting diodes (LEDs).