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Exploring the Potentiometer

A potentiometer is a type of adjustable resistor. It allows you to control the
amount of electricity flowing in a circuit by changing its resistance. It usually
has a knob or a sliding mechanism

that you can turn to adjust the flow of
electricity.

How It Works
When you turn the knob on a potentiometer, it changes the resistance in the

circuit. This either increases or decreases the amount of electricity that can pass
through, controlling things like the brightness of a light or the volume of sound.

Example: The volume control on a radio or speaker is a potentiometer. When

you turn the knob, it changes how much electricity flows to the speaker, making
the sound louder or quieter.

Uses of Potentiometer

1. Volume Control: In radios, speakers, and televisions, potentiometers are

used to adjust sound levels.

2. Light Dimming: In dimmer switches, potentiometers control the brightness
of lights.

3. Tuning Devices: Potentiometers are used in tuning circuits, like in radios,
to help pick the right station..

4. Measuring Position: In some machines, potentiometers help measure the

position or movement of parts, such as in video game controllers.

21 st
Building a Fan Regulator Circuit Using the Century #Creativity
Activity Skills
Smart Circuit Kit

Step 1 Take out all the components from the smart circuit kit.

1. Fan 2. Motor 3. Potentiometer

4. Battery 5. Diode 6. Magnetic Board

7. USB Cable 8. Battery OTG Socket

42 RoboGenius (V1.0)-IV