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Raspberry Pi Zero Cookbook

You're reading from   Raspberry Pi Zero Cookbook Delve into the practical world of the Raspberry Pi Zero

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Product type Paperback
Published in Mar 2017
Publisher Packt
ISBN-13 9781786463852
Length 422 pages
Edition 1st Edition
Languages
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Author (1):
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Edward Snajder Edward Snajder
Author Profile Icon Edward Snajder
Edward Snajder
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Table of Contents (11) Chapters Close

Preface 1. Kick-Start Your Raspberry Pi Zero FREE CHAPTER 2. Setting Up Physical and Wireless Connections 3. Programming with Linux 4. Programming with Python 5. Getting Your Hands Dirty Using the GPIO Header 6. Controlling the LEDs and Displays 7. Controlling the Hardware 8. Taking Digital Inputs to the Raspberry Pi Zero 9. Interfacing Sensors with the Raspberry Pi Zero 10. Cooking up Projects to Amaze the World!

Controlling a stepper motor using a RPZ and motor drivers


Now that we can handle any device that understands 3V or 5V signals, we'll use the Raspberry Pi Zero to controller a stepper motor. Stepper motors take digital inputs to turn the motor a single "step." A step is a specific rotation amount that the motor will turn for each input. Very precise motors may have hundreds of steps per rotation, which are great for things such as high-resolution 3D printers or CNC routers. The L293D motor driver makes it easy to control these motors with the Raspberry Pi Zero.

Getting ready

For this recipe, you will need an L293D chip and a stepper motor. There is a huge variety of stepper motors to choose from. I went with the 5V 28BYJ-48 motor included in the Elegoo starter kit, but any small 5V stepper motor (larger ones will need their own power supply) will work without additional power. Other than jumper cables, a breadboard, a 10uF capacitor, and your Raspberry Pi Zero, you should be ready to go!

How...

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