Vll
ABSTRACT
This project was discussed about the design Signal Indicator for Home
Appliances Control is targeted to be operated using home phone as a local phone and
another phone, either landline or laptop as a remote phone. The application will
involve a one software where will be able to monitor and control his/her electronics
appliances at home regardless they are in 'ON' state or 'OFF' state. The big part of
the project will be the programming (probably using visual basic or C and its up to
the student' s preference) and the circuit design itself. This application will be
interfaced to the existing circuit that is connected to the appliances. This application
also will be interfaced to the existing circuit that is connected to the appliances. This
system uses Dual Tone Multi Frequency (DTMF) technology. This IC takes DTMF
signal coming via telephone line and converts that signal into respective BCD
number. The final outcome of this system which does not require any radiations, any
laser beam which has no limitation of range, it can be used from any distance from
meters to thousand kilometers using a simple telephone line or mobile phone.
