Question $3\mathrm{.}3$SmartphoneIn the implemented smart home system, a smartphone plays a role of a controller. It is used to lock and unlock the door.Installing a smart home technology system provides homeowners with convenience. Rather than controlling appliances, thermostats and other features using different devices, homeowners can control them all using one device$-$usually a smartphone or tablet.Since they're connected to a portable device, users can get notifications and updates on issues in their homes. Users can set and control the internal temperature, lighting, and appliances as well$\mathrm{.}3\mathrm{.}1$ Demonstrate the operation of the project by showing both the dashboard of the smartphone and how information are transmitted from one device to another.$(35$ Marks$)3\mathrm{.}2$ Critically analyse the communication channels implemented in the transmission of signals from one device to another. Propose alternative where necessary.$(5$ Marks$)$