LED Flashers are circuits that make LEDs blink on and off at regular intervals. They can be used for a variety of purposes, from decorative lighting to energy-saving applications in traffic lights and street lamps. LED flasher circuits are relatively simple and easy to construct. In this article, we'll look at the basics of building a flasher circuit using a circuit diagram and basic parts.
A typical LED flasher circuit requires just three components: an LED, a current-limiting resistor, and a capacitor. These three components are connected together in a circuit as follows: one lead of the LED is connected to the positive terminal of the power supply, while the other lead is connected to one end of the current-limiting resistor. The other end of the resistor is connected to the positive terminal of a capacitor. The negative terminal of the capacitor is then connected to the negative terminal of the power supply.
When the circuit is powered up, the capacitor starts charging through the resistor. As the capacitor charges, the voltage across the LED increases until it reaches the point where the current running through the LED becomes too high, causing the LED to turn on and off. The time it takes for the LED to turn on and off is determined by the size of the capacitor and the resistance of the current-limiting resistor. By changing the values of these components, it's possible to adjust the speed and duration of the LED's flash. With these simple components, you can easily create a range of LED flasher circuits that can be used for a variety of different applications.
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