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Practical Python Programming for IoT

You're reading from   Practical Python Programming for IoT Build advanced IoT projects using a Raspberry Pi 4, MQTT, RESTful APIs, WebSockets, and Python 3

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Product type Paperback
Published in Nov 2020
Publisher Packt
ISBN-13 9781838982461
Length 516 pages
Edition 1st Edition
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Author (1):
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Gary Smart Gary Smart
Author Profile Icon Gary Smart
Gary Smart
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Table of Contents (20) Chapters Close

Preface 1. Section 1: Programming with Python and the Raspberry Pi
2. Setting Up your Development Environment FREE CHAPTER 3. Getting Started with Python and IoT 4. Networking with RESTful APIs and Web Sockets Using Flask 5. Networking with MQTT, Python, and the Mosquitto MQTT Broker 6. Section 2: Practical Electronics for Interacting with the Physical World
7. Connecting Your Raspberry Pi to the Physical World 8. Electronics 101 for the Software Engineer 9. Section 3: IoT Playground - Practical Examples to Interact with the Physical World
10. Turning Things On and Off 11. Lights, Indicators, and Displaying Information 12. Measuring Temperature, Humidity, and Light Levels 13. Movement with Servos, Motors, and Steppers 14. Measuring Distance and Detecting Movement 15. Advanced IoT Programming Concepts - Threads, AsyncIO, and Event Loops 16. IoT Visualization and Automation Platforms 17. Tying It All Together - An IoT Christmas Tree 18. Assessments 19. Other Books You May Enjoy

Running the dweet integration service program

Our dweet integration service works by receiving dweets in a predefined format and turns them into MQTT topics and messages as per the configuration parameters we discussed in the previous section. We'll discuss this dweet format shortly as we run and test the dweet integration service. Here are the steps we need to follow:

  1. Firstly, make sure you have the Tree MQTT service program from the previous section running in a terminal. It is the Tree MQTT service that will receive and process the MQTT messages published by the dweet integration service.
  2. Next, navigate to the chapter14/dweet_integration_service folder in a new terminal and start the main.py program, as shown (remember your thing name will be different):
(venv) $ cd dweet_service
(venv) $ python main.py
INFO:DweetListener:Created new thing name ab5f2504
INFO:DweetListener:Dweet Listener initialized. Publish command dweets to 'https://dweet.io/dweet/for...
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