how-1.md

            +-------------+
            |    Start    |
            +-------------+
                    |
                    v
            +------------------+
            |  User Visits     |
            |  Website         |
            +------------------+
                    |
                    v
        +-----------------------+
        | User Select Location  |
        +-----------------------+
                    |
                    v
        +--------------------------+
        | Website Checks Database  |
        | for Last Ping            |
        +--------------------------+
                    |
                    v
           +-------------------+
           | Is Last Ping was  |
           | within 5 minutes  |
           +-------------------+
                    |
                    v
            +----+----+----+----+
            |                   |
          "Yes"               "No"
            |                   |
            v                   v
    +-----------------+ +-----------------+
    | Power Status ON | | Power Status OFF|
    | (Website show   | | (Website show   |
    | Status ON)      | | Status OFF)     |
    +-----------------+ +-----------------+
           |                   |
           v                   v
        +------------------------+
        | Website Check Database |
        | for Last Ping(repeat)  |
        +------------------------+
                    |    
                    |
                    v
        +------------------+
        |       End        |
        +------------------+