Advanced Home Automation Using Raspberry Pi: Building Custom Hardware, Voice Assistants, and Wireless Nodes

Table of Contents
About the Author
About the Technical Reviewer
Acknowledgments
Introduction
Chapter 1: Introduction to Raspberry Pi
	Raspberry Pi
		Inside the Raspberry Pi Board
		Hardware Requirements
			A Power Supply
			A microSD Card
			Mouse, Keyboard, and HDMI Cable
		Software Requirements
			How to Install the OS in an SD card
	First Time Boot
		Using raspi-config
	Headless Setup for the Pi
		Accessing the Remote Desktop
	Summary
Chapter 2: Controlling Raspberry Pi GPIO
	Raspberry Pi GPIO
		Raspberry Pi Pin Numbering
		GPIO Programming
			Importing a Python Module
			Pin Scheme Declaration
			Pin Mode Declaration
			Outputs
			Inputs
			Delays
	Python Program: Blinking an LED
	PWM: LED Dimming
	GPIO Input: Button
	Using Interrupts
	Analog Input
	Automating Scripts and Tasks
	Summary
Chapter 3: Getting Started with Web Automation
	Web-Based Home Automation
		Hardware Requirements
		Software Requirements
			What Is Flask?
				Installing Flask
	Creating a Simple Web Server
	Creating a Home Automation Web Server
		Understanding IoT Protocols
			MQTT (Message Queue Telemetry Transport)
				Subscribe and Publish
				Messages
				Topics
				MQTT Broker
			XMPP (Extensible Messaging and Presence Protocol)
			DDS (Data Distribution Service)
	Installing Mosquitto MQTT Broker
		Testing Mosquitto Broker
		Controlling GPIOs Using MQTT
	Summary
Chapter 4: Mesh Networking Using ESP and RPi
	What Is Mesh Networking?
		How Does a Mesh Network Work?
		Types of Mesh Networks
	Mesh Networking Using ESP Modules
		About ESP Dev Modules
			Installing and Setup Arduino IDE
			Problem Statement
			ESP-MESH
				Hardware Requirements and Connection Diagram
				Coding and Testing
			Communication Between ESP-MESH and Raspberry Pi
	MQTT Communication Between ESP and Raspberry Pi
	Coding and Testing
		Cloud-Based MQTT Setup
		Blynk: An IoT Platform
			Local Blynk Server Setup on Raspberry Pi
			Blynk App Setup
	Coding and Testing
	Summary
Chapter 5: Designing Smart Controller Circuits
	Component Selection
	Designing the Printed Circuit Board (PCB)
		Schematic Design
		Layout Design
			Gerber Generation
	Enclosure Design
	Relay Module
	Power Supply
		5V SMPS Circuit Design
		WiFi-Enabled Smart Switch/Plug
	AC Fan and Bulb Dimmer Circuit
		Zero-Crossing Detection Method
	All-in-One Smart Switch
		Energy Monitoring Circuit
		Electric/Capacitive Switch Connections
		Sensor Connections
	Summary
Chapter 6: Getting Started with Home Assistant
	Home Automation Platforms
	Installing Home Assistant
		Setting Up Home Assistant
		Installing Add-Ons
		Configuration.yaml
	Controlling Raspberry Pi GPIO Using Home Assistant
	Creating Automation in Home Assistant
	Controlling a Smart Switchboard Using Home Assistant
		ESPHome
			Creating an ESP Node
			YAML File for Smart Switchboard
			Flashing Binary File in the ESP Module
			ESPHome Automation
	ESP32-CAM Integration with Home Assistant
		ESPHome and ESP32-CAM
		Arduino IDE and ESP32-CAM
		Editing the Dashboard
	Home Assistant and MQTT Device Interfacing
	Summary
Chapter 7: Getting Started with Voice Assistant
	What Is a Voice Assistant?
		How Does a Voice Assistant Work?
	Controlling the Raspberry Pi Using an Amazon Echo Speaker
		Controlling a Smart Switchboard Using an Amazon Echo Speaker
	Raspberry Pi Google Assistant and Alexa
		AlexaPi Setup and Installation
	Amazon Alexa and Home Assistant Integration
	Creating Custom Assistants with Platypush
		Troubleshooting the Audio
		Voice Automation
		Controlling the Assistant Programmatically
	Installing Offline Voice Assistants
		Setting Up and Installing the Almond Add-on
		Jasper: A Custom Offline Voice Assistant
			Choosing an STT and TTS Engine
				Speech to Text Engines
				Text to Speech Engines
			Configuring Jasper
			Using Jasper
			Creating Jasper Modules
			Controlling the ESP Module Using a Jasper MQTT Module
	Summary
Chapter 8: Getting Started with OpenCV
	Computer Vision
	OpenCV
		Installing OpenCV
		OpenCV Basics
			Opening and Displaying an Image
			Capturing and Reading a Video File
			Image Transformations
			Color Spaces
	Door Locking Using Face Recognition
		Gathering Data
		Training the Recognizer
		Using Face Recognition
	Using Gesture Recognition Sensors
	Summary
	Conclusion
Index