Week 4
http://www.youtube.com/watch?v=CqOZESnZkDsTHIS IS THE VIDEO REPRESENTATION OF THE PROJECT :
DTMF BASED HOME AUTOMATION SYSTEM
IT CONATINS DTMF DECODER, MICROCONTROLLER DEVELOPMENT BOARD,
RELAY DRIVER AND THE RELAY
THE MOBILE PHONE IS CONNECTED TO THE DTMF DECODER
THE DTMF DECODER , DECODES THE SIGNAL AND CONVERTS
TO BINARY,
THE MICOCONTROLLER READS THE DATA AND CONTROL THE RELAY
demo:
make a call this number
the mobile should be configured in auto answer mode
once the call is received , it will send the dtmf signals
to the out from the audio jack,
now the micocontroller reads this data and control the relay
DTMF BASED HOME AUTOMATION SYSTEM
IT CONATINS DTMF DECODER, MICROCONTROLLER DEVELOPMENT BOARD,
RELAY DRIVER AND THE RELAY
THE MOBILE PHONE IS CONNECTED TO THE DTMF DECODER
THE DTMF DECODER , DECODES THE SIGNAL AND CONVERTS
TO BINARY,
THE MICOCONTROLLER READS THE DATA AND CONTROL THE RELAY
demo:
make a call this number
the mobile should be configured in auto answer mode
once the call is received , it will send the dtmf signals
to the out from the audio jack,
now the micocontroller reads this data and control the relay
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