From the multiple projects that we can build using the things that you learned, a project that helps you to monitor your surrounding environment really stands out as an important real-world application. From the various environment-monitoring projects such as weather station, thermostat, and plant monitoring system, we will be developing the thermostat as it focuses on indoor environment and can be part of your daily routine.

The thermostat is one of the most important components of any remote home monitoring system and home automation system. A popular commercial example of a connected thermostat is the Nest Thermostat (https://www.nest.com), which provides intelligent remote monitoring and scheduling features for your existing home's heating and cooling system. Before we think about a full-stack product such as Nest, we need first need to build a DIY thermostat with the basic set of features. Later, we can build upon this project by adding features...