16-04-2012, 12:56 PM
DEVELOPMENT OF CELL PHONE BASED REMOTE CONTROL SYSTEM:
DEVELOPMENT OF CELL PHONE BASED REMOTE CONTROLSYSTEM (1).ppt (Size: 806.5 KB / Downloads: 46)
INTRODUCTION
Remote controller
Switching system
Home automation
DTMF Generation
What is DTMF
How it works
Its tone background
DTMF encoding
Using two programmable second order digital sinusoidal oscillators.
One for row tone and other for column tone.
Maximum data rate is 10digits/sec for touch tone signals.
Summary
Successful Authentication With GSM Network
Proper decoding
Password Authentication
Factors to be considered to implement the system