This book is a very concise guide on how to use the ESP8266 WiFi chip to build home automation projects.The ESP8266 is a small, low-cost and low-power WiFi chip that received a lot of interest from the DIY & makers community when it was released. This little WiFi chip only costs $5, and comes with an onboard processor, which makes it the ideal chip to build open-source home automation projects.In this book, you will learn how to use the ESP8266 WiFi chip in several typical home automation projects. You will first learn how to create a simple temperature data logger using this chip. We are also going to learn how to build a motion detector based on the ESP8266.Then, you will use the onboard processor of the ESP8266 chip to make a completely autonomous lamp controller, that can be controlled from any device, wether it's your computer or a mobile device.Finally, we are going to see how to integrate everything you learned in the book to build a complete home automation system based on the ESP8266 chip.