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Raspberry Pi Blueprints

You're reading from   Raspberry Pi Blueprints Design and build your own hardware projects that interact with the real world using the Raspberry Pi

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Product type Paperback
Published in Mar 2015
Publisher
ISBN-13 9781784392901
Length 284 pages
Edition 1st Edition
Languages
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Toc

Table of Contents (12) Chapters Close

Preface 1. Raspberry Pi Pirate Radio FREE CHAPTER 2. Portable Speaker System 3. Mini Retro Arcade Cabinet 4. GPS-enabled Time-lapse Recorder 5. Home Theater PC 6. Outdoor Weather Station 7. Home Security System 8. Remote-operated Robotic Arm 9. Magic Mirror 10. Bottle Xylophone Index

Configuration


Now that the web application has been deployed to the Pi and the display enclosure is constructed, it is time to configure what information is shown and how it is shown on the mirror.

Note that when changing the style sheet, simply reload the page in Chromium by pressing F5 on a connected keyboard to show the change. Changes to widget configurations will require you to restart the web application by using the following commands:

sudo supervisord stop mirror_webapp
sudo supervisord start mirror_webapp

Widgets

The widgets are configured using several configuration files in the /home/pi/widget_configs/ directory. Each widget that is displayed on the mirror requires its own configuration file.

The configuration files are divided into several sections: core, ui, position, and widget, each containing several values related to the widget. These options are described as follows:

  • core

    • class: The name of the widget class

    • update_time: The interval at which the UI is refreshed (in seconds; it...

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