With the significant growth of internet usage across the globe, the Internet of Things (IoT) has become an emerging solution for connecting and controlling real-world objects ranging from industrial machines to home appliances to the internet. One of the major applications of IoT technology is used in the home automation industry to build smart homes. These home automation systems allow users to perform and complete daily activities when they are busy with other tasks. Smart homes have the ability of remotely connecting, monitoring and controlling various home appliances and other objects over the internet. The smart homes are laid with various types of sensors that act as an interface for wireless communication and control between the user and the home appliances. Various types of sensors play a major role in making a home smarter, safer and automated.