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Raspberry Pi cookbook for Python programmers

Raspberry Pi cookbook for Python programmers

By : Tim Cox
4.8 (13)
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Raspberry Pi cookbook for Python programmers

Raspberry Pi cookbook for Python programmers

4.8 (13)
By: Tim Cox

Overview of this book

Raspberry Pi Cookbook for Python Programmers is written in a Cookbook format, presenting examples in the style of recipes.This allows you to go directly to your topic of interest, or follow topics throughout a chapter to gain a thorough in-depth knowledge. The aim of this book is to bring you a broad range of Python 3 examples and practical ideas which you can develop to suit your own requirements. By modifying and combining the examples to create your own projects you learn far more effectively with a much greater understanding. Each chapter is designed to become a foundation for further experimentation and discovery of the topic, providing you with the tools and information to jump right in. Readers are expected to be familiar with programming concepts and Python (where possible Python 3 is used), although beginners should manage with the help of a good Python reference book and background reading. No prior knowledge of the Raspberry Pi or electronics is required; however for the hardware sections you will need some basic electronic components/household tools to build some of the projects.
Table of Contents (13 chapters)
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12
Index

Using the camera with Python


The camera module on the Raspberry Pi is more than just a standard webcam. Since we have full access to the controls and settings from within our own programs, it allows us to take control and create our own camera applications.

In this chapter, we will use the Python module called picamera created by Dave Hughes to control the camera module, which performs all the functions raspivid and raspistill support.

See http://picamera.readthedocs.org for additional documentation and lots of useful examples.

Getting ready

The Raspberry Pi camera module should be connected and installed as detailed in the previous section.

In addition, we will also need to install the Python 3 Pillow Library (the details on how to do this have been covered in the Displaying photo information in an application recipe in Chapter 3, Using Python for Automation and Productivity).

Now, install picamera for Python 3 using the following command:

sudo apt-get install python3-picamera

How to do it…

  1. Create...

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