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Raspberry Pi Embedded Projects Hotshot

You're reading from   Raspberry Pi Embedded Projects Hotshot Enter the world of mechatronic systems with the Raspberry Pi to design and build 12 amazing projects

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Product type Paperback
Published in Feb 2015
Publisher
ISBN-13 9781849696227
Length 250 pages
Edition 1st Edition
Concepts
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Toc

Table of Contents (15) Chapters Close

Preface 1. Hello World FREE CHAPTER 2. A Raspberry WebIDE Example 3. The Arduino Raspberry Pi Interface 4. Christmas Light Sequencer 5. Internet of Things Example – An E-mail Alert Water Fountain 6. Raspberry Pi as a Personal Assistant 7. Raspberry Pi-based Line Following Robot 8. Connect Four Desktop Game using Raspberry Pi 9. The Raspberry Pi-enabled Pet/Wildlife Monitor 10. Raspberry Pi Personal Health Monitor 11. Home Automation using Raspberry Pi 12. Using a Raspberry Pi for Science and Education 13. Tips and Tricks Index

Turning on a lawn sprinkler only when there is no rain forecast!

This example was inspired by a comment on an article related to Home Automation using Raspberry Pi. The commenter mentioned:

The only home automation that I'm interested in (and still haven't seen) is something that'll turn off my lawn sprinklers if it's rained a certain amount in the preceding days or if it's raining on the day that the sprinklers are programmed to go on.

We decided to whip up a quick example that would turn on the sprinkler when it is not going to rain on a particular day.

Prepare for lift off

In order to check the weather forecast, we need to make the python-weather-api library (the library is distributed with MIT license). We will make use of the NOAA API. The library can be downloaded using the wget command:

wget https://launchpad.net/python-weather-api/trunk/0.3.8/+download/pywapi-0.3.8.tar.gz

The source files are available in a compressed folder. The contents of the compressed file...

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