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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

Configuring and running the ThinkSpeak Python program

We have provided two sample programs that integrate with ThinkSpeak. They are as follows:

  • chapter13/thingspeak_dht_mqtt.py: An example that uses MQTT to send data into a ThinkSpeak channel.

  • chapter13/thingspeak_dht_http.py: An example that uses the Python requests library to make RESTful API calls that send data to a ThinkSpeak channel.

The core concepts of these two programs were discussed in earlier chapters. For your reference, they are as follows:

  • MQTT: We discussed the Paho-MQTT library in Chapter 4, Networking with MQTT, Python, and the Mosquitto MQTT Broker. A key difference for this chapter is that we are using the Paho-MQTT simplifying client wrapper to publish MQTT messages instead of a full life cycle example.
  • We covered RESTful APIs and the requests library in Chapter 2, Getting Started with Python and IoT.
  • The code related to the DHT 11/DHT 22 temperature and humidity sensor was covered in Chapter...
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