Control Your Home with Raspberry Pi: Secure, Modular, Open-Source and Self-Sufficient

Table of Contents
Preface
Chapter 1 • Introduction
	1.1  What is home automation?
	1.2  Why use a Raspberry Pi as a home automation gateway?
	1.3  The properties of a good home automation system
		1.3.1  Secure
		1.3.2  Modular
		1.3.3  Open-Source
		1.3.4  Self-sufficient
	1.4  How to use this book
	1.5  Summary and further exploration
Chapter 2 • The Raspberry Pi as a home automation gateway
	2.1  Which Raspberry Pi models are suitable for home automation?
	2.2  Requirements for a reliable home automation gateway
	2.3  Installing Raspberry Pi OS
	2.4  Setting up network connectivity with Ethernet or Wi-Fi
		2.4.1  Ethernet
		2.4.2  Wi-Fi
		2.4.3  Setting a fixed IP address
	2.5  Remote access using SSH
		2.5.1  Enabling the SSH server
		2.5.2  Connecting with the SSH client
	2.6  Basic setup
	2.7  The tmux terminal multiplexer
		2.7.1  The basics of tmux: windows
		2.7.2  Working with tmux sessions
		2.7.3  Seeing more at the same time with panes
		2.7.4  Copying and pasting text
	2.8  Python
		2.8.1  Virtual environments
		2.8.2  Package requirements
	2.9  Docker
		2.9.2  Installing Docker Compose
		2.9.3  Creating a Docker Compose YAML file
	2.10  Summary and further exploration
Chapter 3 • Secure your home automation system
	3.1  Some general computer security principles
	3.2  Isolate your home automation devices
		3.2.1  Physical isolation
		3.2.2  VLANs
		3.2.3  Firewalls
	3.3  User management
		3.3.1  Permissions
		3.3.2  Passwords
		3.3.3  Lifecycle
	3.4  Encryption
		3.4.1  Your threat model
		3.4.2  TLS
		3.4.3  Setting up your own CA with mkcert
		3.4.4  Creating a CA
		3.4.5  Creating and signing a certificate
		3.4.6  Keeping your root CA key secure
	3.5  Keeping your software up-to-date
		3.5.1  Update apt packages
		3.5.2  Update Docker images
		3.5.3  Update pip packages
		3.5.4  Update manually installed packages
		3.5.5  Update your home automation devices
	3.6  Summary and further exploration
Chapter 4 • MQTT (Message Queuing Telemetry Transport)
	4.1  What is MQTT?
		4.1.1  Central intermediary
		4.1.2  Hierarchical names
		4.1.3  Using wildcards
	4.2  Installing and configuring the Mosquitto MQTT broker
		4.2.1  A basic Mosquitto setup
		4.2.2  Testing your setup with the Mosquitto clients
		4.2.3  A secure Mosquitto setup
		4.2.4  Testing your secure setup with the Mosquitto clients
		4.2.5  Default options for Mosquitto clients
	4.3  Using graphical MQTT clients
		4.3.1  MQTT.fx
		4.3.2  MQTT Explorer
	4.4  Using MQTT in Python
	4.5  Direct communication between other containers and Mosquitto
	4.6  Summary and further exploration
Chapter 5 • TCP/IP
	5.1  Wake other network devices
	5.2  Remote control with SSH
		5.2.1 Run commands on other devices
		5.2.2  Secure passwordless logins using SSH keys
	5.3  Collecting information from devices using SNMP
		5.3.1  Walking through the MIB tree
		5.3.2  Collecting your router\'s version using SNMP
		5.3.3  Collecting your printer\'s ink levels
	5.4  Using devices with a HTTP/REST API
		5.4.1  Setting up a Shelly device for secure remote control
		5.4.2  Using Shelly\'s HTTP API with curl
		5.4.3  Using the HTTP API in Python
	5.5  Creating a video surveillance system
		5.5.1  Turn your Raspberry Pi into an IP camera
		5.5.2  Turn your Raspberry Pi into a camera controller
		5.5.3  Viewing your remote cameras
		5.5.4  Motion detection
		5.5.5  Notifications on motion
	5.6  Summary and further exploration
Chapter 6 • Bluetooth
	6.1  An introduction to Bluetooth Low Energy
		6.1.1  Broadcasting data
		6.1.2  Connecting to services
	6.2  Enabling Bluetooth
	6.3  Investigating Bluetooth Low Energy devices
		6.3.1  Scanning for Bluetooth Low Energy devices
		6.3.2  Dumping raw Bluetooth broadcast data
		6.3.3  Discovering device characteristics
		6.3.4  Reading device characteristics
	6.4  Reading BLE sensor values in Python
		6.4.1  RuuviTag Sensor
		6.4.2  Miflora
	6.5  Relaying Bluetooth sensor values with bt-mqtt-gateway
		6.5.1  Configuring bt-mqtt-gateway
		6.5.2  Running bt-mqtt-gateway
	6.6  Presence detection with Bluetooth
		6.6.1  Presence detection with monitor.sh
		6.6.2  Configuring and running monitor.sh
		6.6.3  Trigger arrival and departure scans in monitor.sh
	6.7  Summary and further exploration
Chapter 7 • 433.92 MHz
	7.1  433.92 MHz protocols
	7.2  Hardware requirements
		7.2.1  Receiver
		7.2.2  Antenna
	7.3  Receiving sensor values with rtl_433
		7.3.1  Installing rtl_433toMQTT
		7.3.2  Configuring rtl_433
	7.4  Publishing 433.92 MHz sensor values to MQTT
	7.5  Summary and further exploration
Chapter 8 • Z-Wave
	8.1  An introduction to Z-Wave
		8.1.1  The specification
		8.1.2  How does Z-Wave work?
	8.2  Choosing a Z-Wave transceiver
		8.2.1  Transceiver on the GPIO header: RaZberry
		8.2.2  USB Transceiver
	8.3  OpenZWave and Zwave2Mqtt
		8.3.1  Installing Zwave2Mqtt
		8.3.2  Configuring Zwave2Mqtt
		8.3.3  Using the Zwave2Mqtt Control Panel
	8.4  Using your Z-Wave devices with MQTT
		8.4.1  Reading sensor values
		8.4.2  Controlling switches
	8.5  Summary and further exploration
Chapter 9 • Zigbee
	9.1  An introduction to Zigbee
		9.1.1  The specification
		9.1.2  How does Zigbee work?
	9.2  Creating a Zigbee transceiver
		9.2.1  Connect the downloader cable
		9.2.2  Install the flashing software
		9.2.3  Flash the firmware
	9.3  Zigbee2mqtt and Zigbee2MqttAssistant
		9.3.1  Connecting the CC2531
		9.3.2  Installing Zigbee2mqtt and Zigbee2MqttAssistant
		9.3.3  Configuring Zigbee2mqtt and Zigbee2MqttAssistant
		9.3.4  Using Zigbee2MqttAssistant
	9.4  Using our Zigbee devices with MQTT
		9.4.1  Reading sensor values
		9.4.2  Controlling switches
	9.5  Summary and further exploration
Chapter 10 • Automating your home
	10.1  Node-RED
		10.1.1  Installing Node-RED
		10.1.2  Adding authentication to Node-RED
		10.1.3  Using Node-RED over HTTPS
		10.1.4  Creating Node-RED flows
		10.1.5  Installing extra nodes in Node-RED
		10.1.6  Creating a dashboard in Node-RED
	10.2  Home Assistant
		10.2.2  Integrating MQTT
		10.2.3  Creating automation rules
	10.3  AppDaemon
		10.3.1  Installing AppDaemon
		10.3.2  Creating an AppDaemon app with MQTT: the time
		10.3.3  Creating an AppDaemon app with MQTT: garage door alert
	10.4  Summary and further exploration
Chapter 11 • Notifications
	11.1  Forwarding local email
		11.1.1  Installing Nullmailer
		11.1.2  Testing Nullmailer
		11.1.3  Using Nullmailer
	11.2  Forwarding emails from Docker containers
		11.2.1  Installing docker-postfix
		11.2.2  Sending emails to docker-postfix
	11.3  Push notifications with Gotify
		11.3.1  Installing the Gotify server
		11.3.2  Adding applications to Gotify
		11.3.3  Using Gotify applications
		11.3.4  Using Gotify clients
	11.4  Notifications on receiving MQTT messages
		11.4.1  Installing mqttwarn
		11.4.2  Sending emails with mqttwarn
		11.4.3  Transforming and filtering payloads
	11.5  Summary and further exploration
Chapter 12 • Voice control
	12.1  A basic Rhasspy setup
		12.1.1  Hardware requirements
		12.1.2  Configure audio hardware
		12.1.3  Installing Rhasspy
		12.1.4  Rhasspy\'s settings
		12.1.5  Configuring audio
		12.1.6  Configuring the wake word
		12.1.7  Configuring text to speech
		12.1.8  Configuring speech to text
		12.1.9  Configuring intent recognition
		12.1.10  Configuring dialogue management
		12.1.11  Testing your Rhasspy setup
	12.2  A Rhasspy base with satellites
		12.2.1  Hardware requirements
		12.2.2  Setting up the satellites
		12.2.3  Setting up the base
		12.2.4  Testing your base and satellites
		12.2.5  Enable UDP audio streaming
	12.3  Train your sentences
		12.3.1  Rhasspy\'s template language
		12.3.2  Slots
	12.4  Intent handling
		12.4.1  Intent handling with MQTT
		12.4.2  Intent handling with AppDaemon and MQTT
		12.4.3  Intent handling with WebSocket in Node-RED
	12.5  Summary and further exploration
Chapter 13 • Remote access
	13.1  Three ways for remote access
		13.1.1  Port forwarding
		13.1.2  A localhost tunneling solution
	13.2  Updating your dynamic DNS with ddclient
	13.3  Running WireGuard on your Raspberry Pi
		13.3.1  Installing PiVPN
		13.3.2  Adding a VPN client
		13.3.3  Connecting with a VPN client
		13.3.4  Managing your VPN clients
	13.4  Summary and further exploration
Chapter 14 • Conclusion
	14.1  A dashboard for all your services
	14.2  More about home automation
Chapter 15 • Appendix
	15.1  Getting the name and ID of a serial device
	15.2  Switching USB ports
	15.3  Disabling the onboard radio chips
		15.3.1  Disabling onboard Bluetooth
		15.3.2  Disabling onboard Wi-Fi
	15.4  Disabling the on-board LEDs
		15.4.1  Raspberry Pi Zero (W)
		15.4.2  The big Raspberry Pi models
		15.4.3  Ethernet models
		15.4.4  Raspberry Pi Camera Module
	15.5  Securing insecure web services with a reverse proxy
		15.5.1  Using nginx as a reverse proxy with HTTPS
		15.5.2  Adding basic authentication to nginx
	15.6  Bridging two MQTT brokers securely
Index