Chapter 9: Practice – Making Your Home Smart

The second project in this book is a smart home application. Here, we are going to put the wireless communication knowledge we attained in the previous chapters into practice. A basic smart home product usually contains three groups of devices. There are sensor devices such as temperature, light, and motion sensors, actuator devices such as alarms, switches, and dimmers, and usually a gateway that provides access to the home device. This grouping doesn't necessarily apply to all smart home solutions, though. Many smart home products combine sensors and actuators into a single device with a direct IP connection to the local network, which lets its users connect directly to the device itself via a web browser or mobile application. We can find smart thermostats (such as Google Nest Thermostat) or smart doorbells (such as Ring Video Doorbell) on the market as examples of this approach.

However, when the sensors and actuators...