Another popular commercially available system for home
automation is from Home Automated Living (HAL) [5]. HAL
software taps the power of an existing PC to control the home.
It provides speech command interface. A big advantage of this
system is it can send commands all over the house using the
existing highway of electrical wires inside the home’s walls.
No new wires means HAL is easy and inexpensive to install.
However, most of these products sold in the market are heavily
priced and often require significant home make over