Raspberry Pi IoT Projects: Prototyping Experiments for Makers

Table of Contents
About the Author
About the Technical Reviewer
Acknowledgments
Introduction
Chapters at a Glance
Chapter 1: Introduction to IoT
	Choosing a Raspberry Pi Model
	Choosing an IoT Device
	Characterizing an IoT Project
		Communications
		Processor Power
		Local Storage
		Power Consumption
		Functionality
		Cost
	The Right Tools to Deal with Hardware
	Writing Code in Python and the Arduino IDE
	In This Book
Chapter 2: Sensing Your IoT Environment
	IoT Sensor Nets
	IoT Characterization of This Project
	How Does This Device Hook Up to the IoT?
		What Is an ESP8266?
		The LightSwarm Design
	Building Your First IoT Swarm
		Installing Arduino Support on the PC or Mac
		Your First Sketch for the ESP8266
		The Hardware
			Reviewing the I2C Bus
			Pullups on the I2C Bus
			Sensor Being Used
			3D Printed Case
			The Full Wiring List
		The Software
	Self-Organizing Behavior
	Monitoring and Debugging the System with the Raspberry Pi (the Smart Guy on the Block)
		LightSwarm Logging Software Written in Python
	Results
	What Else Can You Do with This Architecture?
	Conclusion
Chapter 3: Building an IoT Weather Station
	IoT Characterization of This Project
	How Does This Device Hook Up to the IoT?
	Data Gathering
		What Are Grove Connectors
	The Project – SkyWeather2
	The Architecture of SkyWeather2
	What Do You Need to Build This Project?
	Connecting and Testing the Hardware
	Weatherization and the 3D Printed Box for SkyWeather2
	The Software
		Non-normal Requirements for Your Pi
		The SkyWeather2 Python3 Software
		The Scheduler Tasks
		The Software-Defined Radio
		The SkyWeather2 Configuration Software
		The Dash App Local Display
	SkyWeather2 and Blynk
	Supplying Your Data to the World – WeatherSTEM
	Tweeting Your Weather Data
		A Little History and Science
	Conclusion
Chapter 4: Changing Your Environment with IoT and iBeacons
	The BeaconAir Project
		IoT Characterization of This Project
		How Does This Device Hook Up to the IoT?
		Hardware List
	iBeacons
		Python3 Bluetooth iBeacon Scanner
		Philips Hue Lighting System
		Philips Hue Hub
	BeaconAir Hardware, Software, and Configuration
		BeaconAir Hardware Description
		BeaconAir Software Description
		BeaconAir Configuration File
		iBeacon Software
		Trilateralization
	Issuing Commands to LightSwarm
	Installing BlueZ and Phue on the Raspberry Pi
		BlueZ
		Phue
		Startup Procedure
		Making BeaconAir Start on Bootup
		How It Works in Practice
	Things to Do
	The Classic Distributed System Problems
	Conclusion
Chapter 5: Connecting an IoT Device to a Cloud Server: IoTPulse
	IoT Characterization of This Project
	The Internet of Things on the Global Network
		Cloud Computing
		Application Builders
		Display and Report Generation
		The IBM Cloud Internet of Things Solution
	The IoTPulse Design
		Building the IoTPulse
			Plugging the FTDI Cable into the ESP8266
		3D Printing Files for the IoT Case
		Software Needed
		The IoTPulse Code
			IOTPulse.ino
		Reviewing the Arduino IDE Serial Monitor Results
	Joining IBM Cloud and the IoT Foundation
		Sending Your Data to Cloud
			MQTT
			JSON Data Payload
		Examining Real-Time Data on the IBM Cloud IoT Platform
	Advanced Topics
		Historical Data
		Node-RED Applications
		Watson Applications
	Conclusion
Chapter 6: Using IoT for RFID and MQTT and the Raspberry Pi
	IoT Characterization of This Project
	What Is RFID Technology?
	What Is MQTT?
	Hardware Used for IoTRFID
	Building an MQTT Server on a Raspberry Pi
	The Software on the Raspberry Pi
		Installing the MQTT “Mosquitto”
		Configuring and Starting the Mosquitto Server
		Starting the Mosquitto Server
		Testing the Mosquitto Server
	Building the IoTRFID
		The Parts Needed
		Installing Arduino Support on the PC or Mac
		The Hardware
		What Is This Sensor We Are Using?
		3D Printed Case
		The Full Wiring List
	The Software for the IoTRFID Project
		The Libraries
		The Main Software
		Testing the IoTRFID System
		Setting Up the Mosquitto Debug Window
		Set Up a Subscriber on the Raspberry Pi
		Testing the Entire IoTRFID System
	What to Do with the RFID Data on the Server
	Conclusion
Chapter 7: Computer Security and the IoT
	IoT: Top Five Things to Know About IoT Computer Security
		Number 1: This Is Important. You Can Prove Your Application Is Insecure, but You Can’t Prove Your Application Is Secure
		Number 2: Security Through Obscurity Is Not Security
		Number 3: Always Connected? Always Vulnerable
		Number 4: Focus on What Is Important to Be Secure in Your IoT Application
		Number 5: Computer Security Rests on Three Main Aspects: Confidentiality, Integrity, and Availability
	What Are the Dangers?
	Assigning Value to Information
	Building the Three Basic Security Components for IoT Computers
		Confidentiality – Cryptography
			Cryptography on the Arduino
			Cryptography on the Raspberry Pi
		Integrity – Authentication
			Cryptographic Hashes on the Arduino/Raspberry Pi
		Availability – Handling DOS/Loss of Server/Watchdogs
	Key Management
	Update Management
	Conclusion
Appendix A:
Suggestions for Further Work
	Parting Words…
Index