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Internet of Things Programming Projects

You're reading from   Internet of Things Programming Projects Build modern IoT solutions with the Raspberry Pi 3 and Python

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Product type Paperback
Published in Oct 2018
Publisher Packt
ISBN-13 9781789134803
Length 436 pages
Edition 1st Edition
Languages
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Author (1):
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Colin Dow Colin Dow
Author Profile Icon Colin Dow
Colin Dow
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Table of Contents (21) Chapters Close

Preface 1. Installing Raspbian on the Raspberry Pi FREE CHAPTER 2. Writing Python Programs Using Raspberry Pi 3. Using the GPIO to Connect to the Outside World 4. Subscribing to Web Services 5. Controlling a Servo with Python 6. Working with the Servo Control Code to Control an Analog Device 7. Setting Up a Raspberry Pi Web Server 8. Reading Raspberry Pi GPIO Sensor Data Using Python 9. Building a Home Security Dashboard 10. Publishing to Web Services 11. Creating a Doorbell Button Using Bluetooth 12. Enhancing Our IoT Doorbell 13. Introducing the Raspberry Pi Robot Car 14. Controlling the Robot Car Using Python 15. Connecting Sensory Inputs from the Robot Car to the Web 16. Controlling the Robot Car with Web Service Calls 17. Building the JavaScript Client 18. Putting It All Together 19. Assessments 20. Other Books You May Enjoy

Reading the state from an infrared motion sensor

Alarm systems using motion sensors are a ubiquitous part of our society. With our Raspberry Pi, they are incredibly easy to build. We will cover the following in this section:

  • What is a PIR sensor?
  • Using the GPIO buzzer class
  • Building a basic alarm system

What is a PIR sensor?

PIR sensors, a type of motion sensor, are used to detect motion. Applications for PIR sensors are pretty much based on detecting motion for security systems. PIR stands for passive infrared, and PIR sensors contain a crystal that detects low-level radiation. PIR sensors are actually constructed in two halves, as it is the difference between the halves that detects motion. The following is a photo of...

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