You are the IT lead in a start$-$up company that has started marketing smart thermostats for residential heating and cooling systems. Leadership has tasked you with designing a system that consumers can install in their homes. These systems should be easy to install and user$-$friendly.

Before you can start writing any code for these devices, you will need to come up with a design that both the business and your IT staff can understand. In order to keep the project organized, each flowchart will be developed separately.

Create a A UML sequence diagram for the thermostat system