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Freenove Ultimate Starter Kit

Freenove Ultimate Starter Kit
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141
Chapter 13 Motor & Driver
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Chapter 13 Motor & Driver
In this chapter, we will learn some knowledge about DC motor and DC motor drive, and how to control the
speed and direction of motor.
Project 13.1 Control Motor with Potentiometer
In this project, a potentiometer is used to control motor. When the potentiometer is in the midpoint position,
the motor will stops rotating, and when away from the middle position, the motor speed increases. When
potentiometer is shifted to limited ends, the motor speed reaches maximum. When the potentiometer
position is at different side of middle position, the direction of motor is different.
Component List
Raspberry Pi 3B x1
GPIO Extension Board & Wire x1
BreadBoard x1
Jumper
Breadboard power module x1
9V Battery (provided by yourself) & battery cable
Rotary potentiometer x1
Motor x1
Resistor 10kΩ x2
PCF8591 x1
L293D

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