Transistor As a timer circuit

Basically on all timer or timer circuit utilizing most of the basic characteristics of the capacitor. The basic characteristic is the process of filling and discharge that occurs in the capacitor. The length of time charging and release depends on the value of the capacitor.If we observe the above circuit, the light will immediately switch SW1 turns on when we plug it into potensio VR1, this is

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A Simple Fog Lamp Sensor

For several years now, a rear fog lamp has been mandatory for trailers and caravans in order to improve visibility under foggy conditions. When this fog lamp is switched on, the fog lamp of the pulling vehicle must be switched of to avoid irritating reflections. For this purpose, a mechanical switch is now built into the 13-way female connector in order to switch of the fog lamp of the pulling

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