Controlling LED Dimming with a Potentiometer

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A 5K Rotary Potentiometer shown with a pencil for scale.

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Top view of 50k Trimmer variable resistor potentiometer

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Controlling LED Dimming with a Potentiometer

Using a potentiometer, the dimming of an LED can be controlled. The potentiometer is connected in a way that it functions as a voltage divider. The LED and a resistor in series with the LED to limit the current to the LED is connected to the potentiometer's middle lead and GND and the potentiometer is connected to the battery using its outer leads.

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Learn the Fundamentals of Mechatronics!

Controlling LED Dimming with a Potentiometer

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