Internet of Things Programming Projects : Build Exciting IoT Projects Using Raspberry Pi 5, Raspberry Pi Pico, and Python / Colin Dow.

Format:

Book

Author/Creator:

Dow, Colin, author.

Language:

English

Subjects (All):

Application software--Development.

Application software.

Cloud computing.

Internet of things.

Physical Description:

1 online resource (458 pages)

Edition:

Second edition.

Place of Publication:

Birmingham, England : Packt Publishing, [2024]

Biography/History:

Dow Colin: Colin Dow has been involved with technology since the early home computers caught his eye. He has worked as a programmer/analyst at some of Canada's biggest companies. He is the author of the Packt books Internet of Things Programming Projects (2018), Hands-On Edge Analytics with Azure IoT, and Simplifying 3D Printing with OpenSCAD. When he's not nerding out on programming or 3D printing, he likes to compose electronic music, which can be found on Spotify under the name Project Josephine.

Summary:

Renowned for its versatility, affordability, and active community support, Raspberry Pi is at the forefront of IoT development. Unlock the vast potential of Raspberry Pi and Raspberry Pi Pico by learning how to develop practical projects with this updated edition of Internet of Things Programming Projects. Written by an expert programmer who’s worked for some of Canada’s largest companies, this book starts with foundational concepts and practical exercises such as building a basic weather indicator, and gradually progressed toward more complex projects. You’ll get to grips with coding nuances and web service integrations that will help you create a sophisticated IoT robot car equipped with motor control, wireless communication, and sensor amalgamation. The book also explores LoRa technology, a game-changer for long-range, low-power communication in your projects, and delves into robot car development by implementing the Robot Operating System (ROS) for advanced control and coordination. Through clear, step-by-step instructions and insightful explanations, you’ll gain the skills and confidence to develop innovative IoT solutions for real-world applications. By the end of the book, you’ll have mastered the intricacies of IoT programming, from harnessing Raspberry Pi's capabilities to seamlessly integrating external components.

Contents:

Cover

Title Page

Copyright and credits

Contributors

Table of Contents

Preface

Part 1: Setting Up the Raspberry Pi for IoT Development

Chapter 1: Understanding the Raspberry Pi

Technical requirements

Exploring Raspberry Pi models

Exploring alternatives to the Raspberry Pi

Looking at the power of HATs

Pibrella HAT

The Raspberry Pi Sense HAT

Investigating operating systems for the Raspberry Pi

Using the Raspberry Pi for IoT

Utilizing web services for IoT applications

Re-introducing T.A.R.A.S. - an IoT-based robotics project

Getting started with Raspberry Pi development

Raspberry Pi development tools

Raspberry Pi and Sense HAT development

Summary

Chapter 2: Harnessing Web Services with the Raspberry Pi

Exploring web services

Understanding approaches for web services

Connecting to a web service with our Raspberry Pi and Sense HAT

Creating a scrolling stock ticker application

Getting an API key

Writing web services client code

Enhancing our application

Developing weather display applications

Creating a scrolling weather information ticker

Scrolling weather information on Sense HAT

Developing a GO-NO-GO application for decision-making

Building other GO-NO-GO applications

Chapter 3: Building an IoT Weather Indicator

Looking into servo motors

Connecting the SG90 servo motor to our Raspberry Pi

Understanding servo motors

Exploring LEDs

Connecting an LED to our Raspberry Pi

Controlling servo motors and LEDs using Python

Setting up our development environment

Using GPIO Zero to control a servo

Using GPIO Zero to control an LED

Building the weather indicator stand

Assembling the weather indicator stand.

Developing code for our application

Calibrating the needle

Creating the WeatherData class

Creating the WeatherDashboard class

Adding the updateDashboard() function and main methods

Chapter 4: Building an IoT Information Display

Investigating displays compatible with our Raspberry Pi and exploring screen types

Creating an IoT information display

Creating a WeatherData class

Creating a TrafficMap class

Adding Dashboard and MyApp classes

Running the IoT information display application

Part 2: Building an IoT Home Security Dashboard

Chapter 5: Exploring the GPIO

Introducing the GPIO on Raspberry Pi

Exploring the Raspberry Pi GPIO pinout diagram

Understanding GPIO pin communication protocols

Understanding sensors, actuators, and indicators

Exploring the PIR sensor

Building a simple alarm system

Chapter 6: Building an IoT Alarm Module

Investigating MQTT

Understanding the publish-subscribe model in MQTT

Understanding QoS in MQTT

Exploring MQTT fundamentals with the MQTTHQ web client

Using a Raspberry Pi Pico W with MQTT

Introducing the RP2040 chip

Configuring our alarm circuit

Writing the alarm module client code

Building an IoT alarm module case

Identifying the parts of the custom case

Building the alarm module case

Chapter 7: Building an IoT Button

Introducing IoT buttons

Utilizing IoT buttons

Exploring various technologies in IoT button development

Creating our IoT button using the M5Stack ATOM Matrix

Exploring M5Stack devices

Flashing the firmware to our ATOM Matrix.

Configuring the ATOM Matrix for programming

Turning our ATOM Matrix into an IoT button

Testing our IoT button

Improving on our IoT button with the Raspberry Pi Pico W

Setting up a CloudAMQP instance

Modifying our alarm module code

Building our Raspberry Pi Pico W IoT button

Installing the components in a custom case

Chapter 8: Creating an IoT Alarm Dashboard

Exploring IoT alarm dashboards

Using IoT alarm dashboards for industrial processes

Exploring the IoT security alarm dashboard

Creating a Raspberry Pi 5 alarm dashboard

Modifying the IoT alarm module code

Writing the dashboard code

Building the external alarm buzzer stand

Identifying the parts

Building the stand

Running our application

Part 3: Creating a LoRa-Enabled IoT Monitoring Station

Chapter 9: Understanding LoRa

Exploring LoRa

Practical uses for LoRa technology

Investigating the radio frequency spectrum

Understanding the LoRa SF

Using LoRa with the Raspberry Pi Pico and Pico W

Building a LoRa sensory transmitter

Constructing our circuit

Developing the code

Building a LoRa receiver

Wiring an LED to the Raspberry Pi Pico W

Creating code to receive LoRa messages

Testing our application

Chapter 10: Integrating LoRa with the Internet

Connecting our LoRa receiver to the internet

Installing the CircuitPython library for MQTT

Creating a CloudAMQP instance for our application

Adding MQTT functionality to the LoRa receiver

Creating a new weather indicator

Building the split stand

Building the faceplate

Configuring the RGB LED indicator

Configuring the servo motor

Programming our weather indicator.

Exploring other IoT communication protocols

Part 4: Building an IoT Robot Car

Chapter 11: Introducing ROS

Exploring ROS

Reviewing our TurtleSim controller ROS application

Understanding ROS node communication

Investigating ROS project structure and organization

Aligning ROS distributions with Ubuntu LTS versions

Installing Ubuntu and ROS onto our Raspberry Pi

Installing Ubuntu on our Raspberry Pi 4

Adding ROS to our Ubuntu installation

Testing our ROS installation

Running and controlling a simulated robot

Launching and testing TurtleSim

Creating an ROS workspace and package

Modifying the generated Python code

Updating package.xml

Compiling and running our code

Controlling our robot with an MQTT message

Chapter 12: Creating an IoT Joystick

Understanding our IoT joystick application

Wiring up our circuit

Developing the code for our IoT joystick

Setting up our Raspberry Pi Pico WH

Creating a Joystick class

Sending MQTT messages from our IoT joystick

Creating a custom ROS node for our application

Creating our custom robot_control node

Controlling a ROS TurtleSim robot using our IoT joystick

Constructing the IoT joystick case

Chapter 13: Introducing Advanced Robotic Eyes for Security (A.R.E.S.)

Exploring our A.R.E.S. application

Constructing A.R.E.S.

Identifying the 3D-printed frame parts

Identifying the components used to create A.R.E.S.

Building A.R.E.S.

Wiring up A.R.E.S.

Software setup and configuration

Installing Ubuntu onto our Raspberry Pi 3B+

Running the installation script

Creating alarm code for the Pico H

Testing and controlling the motors

Testing communication between Pi and Pico

Testing the ToF sensor.

Streaming video from A.R.E.S.

Programming A.R.E.S. with ROS

Chapter 14: Adding Computer Vision to A.R.E.S.

Exploring computer vision

Introducing OpenCV

Understanding YOLO and neural networks

Exploring object detection

Adding computer vision to A.R.E.S.

Creating the DogTracker class

Building a smart video streamer

Sending out a text alert

Setting up our Twilio account

Adding text message functionality to A.R.E.S.

Index

Other Books You May Enjoy.

Notes:

Includes index.

Description based on publisher supplied metadata and other sources.

Description based on print version record.

ISBN:

9781835088685

1835088686

OCLC:

1444259827