How to Use a Potentiometer with Arduino analogRead

How to Use a Potentiometer with Arduino analogRead

Assessment

Interactive Video

Science, Information Technology (IT), Architecture, Engineering

1st - 6th Grade

Hard

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This video tutorial explains how to use a potentiometer with Arduino to control an LED's brightness. It covers the basics of potentiometers, building a circuit in Tinkercad, and using the Arduino IDE to read analog values. A programming challenge is presented to control LED brightness using the potentiometer. The tutorial also introduces the Arduino map function for converting values between different ranges.

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4 questions

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1.

OPEN ENDED QUESTION

3 mins • 1 pt

Explain how to convert the ADC reading from 0-1023 to a voltage range of 0-5 volts.

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2.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the significance of using a float variable type in Arduino programming?

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3.

OPEN ENDED QUESTION

3 mins • 1 pt

How can you control the brightness of an LED using a potentiometer?

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4.

OPEN ENDED QUESTION

3 mins • 1 pt

What is the purpose of the map function in Arduino programming?

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