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ESP32 and Home Assistant Projects: A Practical Guide to Smart Sensors, MQTT, ESPHome, WLED, Automation, Dashboards, and Connected Home Devices
Paperback
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Publisher: Independently Published
Pages: 176
Weight: 0.49
Height: 0.44 Width: 6.00 Depth: 9.00
Language: English
Build Your Own Intelligent Household Electronics Without Starting as a Programmer or Electronics Expert
What if you could create your own temperature monitor, motion detector, leak warning system, lighting controller, plant monitor, or complete room controller-and bring everything together in one powerful interface?
ESP32 and Home Assistant Projects gives you a practical path from your first microcontroller circuit to useful, reliable systems you can monitor and control throughout your house.
Designed for readers who want to learn by building, this book explains the hardware, software, networking, and configuration concepts you need without assuming previous electronics or programming experience.
Rather than simply showing finished configurations, it teaches you how each component works, how the pieces communicate, and how to troubleshoot problems when something does not behave as expected.
Inside, you will learn how to:
Choose and prepare an ESP32 development board
Understand GPIO pins, digital signals, analog inputs, breadboards, and safe low voltage wiring
Install and prepare Home Assistant
Create ESP32 firmware using ESPHome
Connect microcontrollers to WiFi and update them wirelessly
Measure temperature and humidity
Detect motion, occupancy, doors, and windows
Control LEDs, relay modules, lights, and suitable low voltage loads
Keep physical controls working alongside software based controls
Understand publish and subscribe communication
Configure brokers, topics, credentials, retained messages, and availability reporting
Send measurements and commands across your network
Create useful routines based on motion, temperature, time, doors, and presence
Display measurements, controls, status information, and graphs
Create addressable LED lighting installations
Monitor temperature, humidity, light levels, air quality, and other environmental conditions
Detect leaks and receive immediate warnings
Measure soil moisture and create plant care notifications
Combine multiple inputs and outputs into a complete room controller
Improve WiFi reliability, protect credentials, create backups, and troubleshoot communication problems
Throughout the book, you will build practical systems including a room climate monitor, occupancy monitor, lamp controller, temperature monitor, hallway lighting system, whole-house status interface, ambient LED lighting installation, indoor environment monitor, plant monitor, leak warning system, and connected room controller.
Each project follows a repeatable process:
Plan → Wire → Configure → Test → Connect → Automate
That approach helps you understand not only how to make a project work, but also why it works and where to look when something fails.
Whether you want to experiment with microcontrollers, build customized household electronics, reduce dependence on closed commercial products, or develop a flexible platform that can grow with your skills, this book gives you the foundation to create useful systems one project at a time.
Start with one board. Add one function. Then build a system that works the way you want it to.
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